# Paper LBO Concept Card: [Your name, target firms and interview date]

> A concept card and drill book for the paper leveraged buyout (LBO): the pen-and-paper LBO that private equity
> interviewers ask candidates to solve in 10 to 30 minutes without a spreadsheet. It is for MBA candidates recruiting
> for private equity, growth equity, leveraged finance and investment banking, and for any MBA student who wants to
> understand how a financial sponsor thinks about price, leverage and return. It covers sources and uses of funds,
> debt paydown from free cash flow, the exit, the multiple of invested capital (MOIC) and the internal rate of return
> (IRR), the shortcuts that make the arithmetic fast (the rule of 72 and a MOIC to IRR table), and the value creation
> bridge. Worked example A is fully solved, Worked example B is half solved, and two original practice cases have full
> answers in the answer key. Source basis: Jensen (1986 and 1989), Kaplan and Stromberg (2009) and Gompers, Kaplan and
> Mukharlyamov (2016), written up in original words with fictional companies (Northfield Outdoor Co. and invented
> targets). Replace every [bracketed] value and every row marked *Example*. This is a learning aid, not investment or
> tax advice.

<!--
Guidance: How to use this template
- Read "The idea in plain language" and "Formulas and notation" first, then learn the MOIC to IRR table by heart:
  most paper LBOs end with "about 2.5x in five years, so about 20%".
- Solve Worked example A on paper with a timer before you read the solution, then compare line by line. Round as an
  interviewer would (one decimal for EBITDA and debt), and keep the exact numbers for checking only.
- Fill every [ ] in Worked example B, then do the two practice cases under interview conditions: paper, pen,
  no calculator for the first pass, 20 minutes each. Check against the answer key.
- Every number was computed in Python; the exact values are shown to two decimals so you can check a spreadsheet
  rebuild. Excel formulas are given next to each result.
- Log misses in mba/mba-error-log and repeat the cases after two days and after a week (spacing).
- Related templates: finance/private-equity-investment-memo, mba/mba-banking-technical-prep,
  mba/mba-dcf-valuation-card, mba/mba-npv-irr-card, mba/mba-capital-structure-card, mba/mba-capm-wacc-card,
  mba/mba-three-statements-card, mba/mba-cash-flow-statement-card, mba/mba-venture-finance-cap-table-card,
  mba/pre-mba-finance-primer, mba/pre-mba-excel-modeling-drills, mba/mba-recruiting-plan, mba/mba-case-practice-log,
  mba/mba-formula-sheet, mba/mba-error-log, finance/investment-committee-memo, finance/valuation-report.
-->

## Document control

<!-- Guidance: Record which firms you are preparing for and how long each practice run took. Speed is part of the test. -->

| Field | Value |
|---|---|
| Candidate | [Your name] |
| Target firms and strategy | [Firm A, mid-market buyout / Firm B, growth equity] |
| Interview stage | [First round / modelling test / partner round] |
| Interview dates | [YYYY-MM-DD] |
| Practice runs completed | [Number, best time in minutes] |
| Reviewed by | [Second-year student, club mentor or investor contact] |
| Version | [0.1] |
| Last updated | YYYY-MM-DD |

## Contents

- [When to use it](#when-to-use-it)
- [The idea in plain language](#the-idea-in-plain-language)
- [Formulas and notation](#formulas-and-notation)
- [Assumptions and limits](#assumptions-and-limits)
- [How investors and interviewers use it](#how-investors-and-interviewers-use-it)
- [The method step by step](#the-method-step-by-step)
- [Worked example A (fully solved): Northfield Outdoor Co.](#worked-example-a-fully-solved-northfield-outdoor-co)
- [Shortcuts for the arithmetic](#shortcuts-for-the-arithmetic)
- [Worked example B (half solved): a dividend recapitalisation](#worked-example-b-half-solved-a-dividend-recapitalisation)
- [Practice case 1: Brindlemoor Packaging](#practice-case-1-brindlemoor-packaging)
- [Practice case 2: Oxley Lane Laboratory Services](#practice-case-2-oxley-lane-laboratory-services)
- [Connections to other cards](#connections-to-other-cards)
- [Common mistakes and misconceptions](#common-mistakes-and-misconceptions)
- [Self-test questions](#self-test-questions)
- [My notes and next steps](#my-notes-and-next-steps)
- [Sources and further reading](#sources-and-further-reading)
- [Answer key](#answer-key)

## When to use it

<!-- Guidance: Use the paper LBO whenever you need a fast answer to "what return does this deal make?" or "what is the most a sponsor can pay?". -->

Use a paper LBO when:

- an interviewer gives you a target's EBITDA, an entry multiple, a leverage multiple, a growth rate and an exit
  multiple and asks for the return;
- you need the maximum price a financial sponsor can pay for a target return (the LBO floor in a banking football
  field, see mba/mba-banking-technical-prep);
- you want a first view of a deal before building a full model, for example in the screening section of
  finance/private-equity-investment-memo;
- a case discussion in class asks whether a buyout price was justified.

Do not use it as a substitute for a full model when the capital structure has several debt tranches with different
amortisation, when cash taxes differ materially from book taxes, or when working capital swings are large. The paper
LBO is a sketch: it is right to within a few percentage points of IRR when its assumptions hold.

## The idea in plain language

<!-- Guidance: If you can explain the three sources of return in one minute, you understand the card. -->

A financial sponsor buys a company using a large amount of borrowed money and a smaller cheque of its own equity. The
company's cash flow pays the interest and repays the debt over a holding period of typically three to seven years.
At exit the sponsor sells the company; whatever is left after repaying the remaining debt belongs to the equity.
Because the equity cheque is small relative to the price, every unit of value gained at exit is a large percentage
gain on the equity.

Returns come from three sources:

1. **EBITDA growth**: the company earns more, so it is worth more at the same multiple.
2. **Multiple expansion**: the exit multiple is higher than the entry multiple. Prudent cases assume none.
3. **Debt paydown (deleveraging)**: free cash flow repays debt, so a larger share of the enterprise value belongs to
   the equity at exit.

Jensen (1986) argued that debt disciplines managers by committing free cash flow to interest and repayment instead
of low-return projects; Jensen (1989) extended the argument to the buyout organisation. Kaplan and Stromberg (2009)
describe the financial, governance and operational engineering that private equity firms apply, and Gompers, Kaplan
and Mukharlyamov (2016) report from a survey that investors rely mainly on IRR and MOIC rather than discounted cash
flow when they evaluate deals.

## Formulas and notation

<!-- Guidance: Five formulas cover every paper LBO. Learn the notation once. -->

$$
\text{Uses} = EV_0 + \text{Fees} + \text{Cash to balance sheet} = D_0 + E_0 = \text{Sources}
$$

$$
FCF_t = (EBITDA_t - DA_t - r D_{t-1})(1 - \tau) + DA_t - CapEx_t - \Delta NWC_t
$$

$$
D_t = D_{t-1} - FCF_t \qquad E_N = m_{exit} \times EBITDA_N - D_N + \text{Cash}_N
$$

$$
MOIC = \frac{E_N}{E_0} \qquad IRR = MOIC^{1/N} - 1 \quad \text{(no interim cash flows)}
$$

$$
\text{Doubling time} \approx \frac{72}{100 \times IRR}
$$

| Symbol | Meaning | Note |
|---|---|---|
| $EV_0$ | Entry enterprise value | Entry multiple times entry EBITDA, cash-free and debt-free |
| $D_0, D_t$ | Debt at entry and at the end of year $t$ | Leverage multiple times entry EBITDA at entry |
| $E_0$ | Sponsor equity at entry | The plug: uses less debt |
| $r$ | Interest rate on debt | Applied to opening debt in the paper version |
| $\tau$ | Tax rate | Assumes interest is fully deductible |
| $DA_t$, $CapEx_t$ | Depreciation and amortisation, capital expenditure | Often set equal in a paper LBO |
| $\Delta NWC_t$ | Increase in net working capital | Often zero in a paper LBO |
| $m_{exit}$ | Exit multiple | Usually set equal to the entry multiple |
| $N$ | Holding period in years | Usually 3 to 7 |
| $E_N$ | Equity value at exit | Exit EV less remaining debt plus cash |

Excel equivalents: IRR without interim flows `=(E_N/E_0)^(1/N)-1` or `=RRI(N,E_0,E_N)`; with interim flows
`=IRR(range)` on the equity cash flows (entry as a negative number, then each year's flow); exact doubling time
`=LN(2)/LN(1+IRR)`.

## Assumptions and limits

<!-- Guidance: State the assumptions out loud at the start of an interview answer; it shows judgement and protects you if the interviewer had a different convention in mind. -->

- **Interest on opening debt.** Using opening balances avoids the circularity of interest on average debt. The error is
  small at moderate rates.
- **All free cash flow repays debt.** The "cash sweep". In reality minimum cash is kept and some debt cannot be prepaid.
- **Interest is fully deductible.** Many jurisdictions cap the deduction. As general examples, as of October 2026:
  Article 4 of Council Directive (EU) 2016/1164 (the Anti-Tax Avoidance Directive) caps deductible exceeding borrowing
  costs at 30% of the taxpayer's tax-adjusted EBITDA, with options for member states such as a de minimis amount, so
  national rules differ (http://data.europa.eu/eli/dir/2016/1164/oj); in the United States, section 163(j) of the
  Internal Revenue Code generally limits business interest expense to business interest income plus 30% of adjusted
  taxable income, which the IRS says again adds back depreciation and amortisation for tax years beginning after
  31 December 2024 (IRS FS-2026-14, checked 28 October 2026,
  https://www.irs.gov/newsroom/questions-and-answers-about-the-limitation-on-the-deduction-for-business-interest-expense).
  Check the current rules before you rely on them. At high leverage a cap raises cash taxes and lowers the return.
  State the assumption in interviews.
- **Exit multiple equals entry multiple.** Prudent, but not neutral in every market: entry at a cyclical peak makes
  even "no expansion" optimistic.
- **Fees and transaction costs** are funded by equity, which lowers MOIC.
- **No management equity or options**; in practice management dilution of 5% to 15% of exit equity is common and
  reduces the sponsor's return. Treat that range as an illustrative assumption to state, not a benchmark.
- **IRR is a rate, MOIC is a multiple.** IRR rewards speed; MOIC rewards size. Investors look at both, and limited
  partners also look at time-weighted and public-market-equivalent measures.

## How investors and interviewers use it

<!-- Guidance: Know why the question is asked, so you can add the judgement the interviewer is listening for. -->

Investors use a paper LBO at the screening stage to decide whether a deal can meet the fund's return target (often
stated as a minimum IRR and MOIC), to set the maximum entry price, and to see which lever matters most. Interviewers
use it to test arithmetic under time pressure, the logic of the three statements (free cash flow after interest and
tax), and judgement: the best candidates finish the arithmetic and then say what would worry them (customer
concentration, cyclicality, covenant headroom, refinancing risk at exit).

A good answer has four parts: the sources and uses table, the debt schedule, the exit and returns, and two or three
sentences of judgement. Interviewers usually give round numbers precisely so that the arithmetic stays manageable;
use them, and round consistently.

## The method step by step

<!-- Guidance: Follow the same order every time. The diagram below is the routine to rehearse. -->

Every paper LBO follows the same eight moves: inputs, sources and uses, EBITDA projection, free cash flow, debt
repayment, exit value, exit equity and returns, then a short judgement. Rehearse the routine until the order is
automatic, so your attention is free for the arithmetic and the judgement.

```mermaid
flowchart TD
    A["Read inputs: EBITDA, entry multiple, leverage, rate, tax, growth, exit multiple, years"] --> B["Sources and uses: EV plus fees equals debt plus equity"]
    B --> C["Project EBITDA for each year"]
    C --> D["Free cash flow: EBITDA less D&A less interest, taxed, plus D&A less capex and working capital"]
    D --> E["Repay debt with free cash flow"]
    E --> F{"Final year?"}
    F -->|No| C
    F -->|Yes| G["Exit EV: exit multiple times final EBITDA"]
    G --> H["Exit equity: EV less remaining debt plus cash"]
    H --> I["MOIC = exit equity / entry equity"]
    I --> J["IRR from the MOIC table or the rule of 72"]
    J --> K["Value bridge and judgement"]
```

## Worked example A (fully solved): Northfield Outdoor Co.

<!-- Guidance: Solve it yourself first. Then compare each line. The exact numbers are for checking; in the interview, one decimal is enough. -->

*Example* inputs: last-twelve-month EBITDA USD 100m; entry multiple 8.0x; debt 5.0x EBITDA at 8% interest;
transaction fees 2% of enterprise value; EBITDA growth 5% a year; depreciation and amortisation USD 15m a year equal to
capital expenditure; no change in working capital; tax 25%; holding period 5 years; exit at 8.0x; all free cash flow
repays debt.

### Step 1: sources and uses (USD m)

| Uses | Amount | Sources | Amount |
|---|---|---|---|
| Purchase enterprise value (8.0 x 100) | 800.00 | Debt (5.0 x 100) | 500.00 |
| Fees (2% x 800) | 16.00 | Sponsor equity (plug) | 316.00 |
| Total uses | 816.00 | Total sources | 816.00 |

Equity is 38.7% of total sources (`=316/816`).

### Step 2: debt schedule (USD m)

| Year | EBITDA | Interest (8% x opening debt) | Pre-tax income (EBITDA - 15 - interest) | Tax 25% | Free cash flow | Closing debt |
|---|---|---|---|---|---|---|
| 0 | 100.00 | | | | | 500.00 |
| 1 | 105.00 | 40.00 | 50.00 | 12.50 | 37.50 | 462.50 |
| 2 | 110.25 | 37.00 | 58.25 | 14.56 | 43.69 | 418.81 |
| 3 | 115.76 | 33.51 | 67.26 | 16.81 | 50.44 | 368.37 |
| 4 | 121.55 | 29.47 | 77.08 | 19.27 | 57.81 | 310.56 |
| 5 | 127.63 | 24.84 | 87.78 | 21.95 | 65.84 | 244.72 |

Because depreciation equals capital expenditure and working capital is flat, free cash flow equals net income. Excel
for year 1: interest `=8%*500`, free cash flow `=(105-15-40)*(1-25%)`, closing debt `=500-37.5`. Total paydown over
five years is 255.28 (`=500-244.72`).

Mental-math version: year-5 EBITDA is 100 x 1.05^5, about 127.6 (1.05^5 = 1.276). Free cash flow grows from about 37
to about 66; an average of about 51 over five years repays about 255.

### Step 3: exit and returns

| Item | Computation | Result | Excel formula |
|---|---|---|---|
| Exit enterprise value | 8.0 x 127.63 | 1,021.03 | `=8*100*1.05^5` |
| Less remaining debt | | 244.72 | (from the schedule) |
| Exit equity | 1,021.03 - 244.72 | 776.30 | `=1021.03-244.72` |
| MOIC | 776.30 / 316.00 | 2.46x | `=776.30/316` |
| IRR | 2.457^(1/5) - 1 | 19.7% | `=RRI(5,316,776.30)` |

Shortcut check: 2.5x over five years is 20.1% in the MOIC to IRR table; 2.46x is a little lower, so about 19.7%.

### Step 4: value creation bridge (USD m)

| Source | Computation | Contribution |
|---|---|---|
| EBITDA growth | (127.63 - 100) x 8.0 | 221.03 |
| Multiple expansion | (8.0 - 8.0) x 127.63 | 0.00 |
| Debt paydown | 500.00 - 244.72 | 255.28 |
| Fees paid at entry | | -16.00 |
| Equity gain | 776.30 - 316.00 | 460.30 |

Slightly more than half the gain comes from deleveraging: this is a "cash flow" deal rather than a growth deal. That is
the judgement to state, with its risk: if EBITDA falls, interest still has to be paid, and the paydown slows.

### Step 5: sensitivity (MOIC and IRR)

| Exit multiple \ EBITDA growth | 0% a year | 5% a year | 10% a year |
|---|---|---|---|
| 7.0x | 1.23x / 4.3% | 2.05x / 15.5% | 3.03x / 24.8% |
| 8.0x | 1.55x / 9.2% | 2.46x / 19.7% | 3.54x / 28.7% |
| 9.0x | 1.87x / 13.3% | 2.86x / 23.4% | 4.05x / 32.3% |

One turn of exit multiple moves IRR by about four percentage points at 5% growth; five points of annual growth moves
it by about ten. In this deal, growth is the bigger lever, and the multiple is the bigger risk if the market falls.

## Shortcuts for the arithmetic

<!-- Guidance: Learn the table rows for 2.0x, 2.5x and 3.0x at 3, 5 and 7 years. Interpolate the rest. -->

### MOIC to IRR table

IRR equals MOIC^(1/N) - 1 when there are no interim cash flows (Excel `=RRI(N,1,MOIC)`), computed exactly:

| MOIC | 3 years | 4 years | 5 years | 6 years | 7 years |
|---|---|---|---|---|---|
| 1.5x | 14.5% | 10.7% | 8.4% | 7.0% | 6.0% |
| 2.0x | 26.0% | 18.9% | 14.9% | 12.2% | 10.4% |
| 2.5x | 35.7% | 25.7% | 20.1% | 16.5% | 14.0% |
| 3.0x | 44.2% | 31.6% | 24.6% | 20.1% | 17.0% |
| 3.5x | 51.8% | 36.8% | 28.5% | 23.2% | 19.6% |
| 4.0x | 58.7% | 41.4% | 32.0% | 26.0% | 21.9% |

Anchors worth memorising: 2x in 5 years is about 15%; 2.5x in 5 years is about 20%; 3x in 5 years is about 25%; 2x
in 3 years is about 26%.

```vega-lite
{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "IRR implied by MOIC for 3, 5 and 7 year holds, computed from MOIC^(1/N)-1",
  "width": 420,
  "height": 240,
  "data": {
    "values": [
      {"moic": 1.5, "hold": "3 years", "irr": 14.5}, {"moic": 2.0, "hold": "3 years", "irr": 26.0},
      {"moic": 2.5, "hold": "3 years", "irr": 35.7}, {"moic": 3.0, "hold": "3 years", "irr": 44.2},
      {"moic": 3.5, "hold": "3 years", "irr": 51.8}, {"moic": 4.0, "hold": "3 years", "irr": 58.7},
      {"moic": 1.5, "hold": "5 years", "irr": 8.4}, {"moic": 2.0, "hold": "5 years", "irr": 14.9},
      {"moic": 2.5, "hold": "5 years", "irr": 20.1}, {"moic": 3.0, "hold": "5 years", "irr": 24.6},
      {"moic": 3.5, "hold": "5 years", "irr": 28.5}, {"moic": 4.0, "hold": "5 years", "irr": 32.0},
      {"moic": 1.5, "hold": "7 years", "irr": 6.0}, {"moic": 2.0, "hold": "7 years", "irr": 10.4},
      {"moic": 2.5, "hold": "7 years", "irr": 14.0}, {"moic": 3.0, "hold": "7 years", "irr": 17.0},
      {"moic": 3.5, "hold": "7 years", "irr": 19.6}, {"moic": 4.0, "hold": "7 years", "irr": 21.9}
    ]
  },
  "mark": {"type": "line", "point": true},
  "encoding": {
    "x": {"field": "moic", "type": "quantitative", "title": "MOIC (x)", "scale": {"domain": [1.5, 4.0]}},
    "y": {"field": "irr", "type": "quantitative", "title": "IRR (%)"},
    "color": {"field": "hold", "type": "nominal", "title": "Holding period"}
  }
}
```

### Rule of 72

Money doubles in about 72 / (100 x rate) years. It is a good approximation at the rates sponsors target, and slightly
optimistic at high rates:

| Annual rate | Rule of 72 (years) | Exact (years) | Excel for the exact value |
|---|---|---|---|
| 10% | 7.20 | 7.27 | `=LN(2)/LN(1.10)` |
| 12% | 6.00 | 6.12 | `=LN(2)/LN(1.12)` |
| 15% | 4.80 | 4.96 | `=LN(2)/LN(1.15)` |
| 18% | 4.00 | 4.19 | `=LN(2)/LN(1.18)` |
| 20% | 3.60 | 3.80 | `=LN(2)/LN(1.20)` |
| 25% | 2.88 | 3.11 | `=LN(2)/LN(1.25)` |

Use it backwards: if equity doubles in about 3.6 years, the IRR is about 20%; if it doubles and then doubles again
(4x) in about 7.2 years, the IRR is about 20% too. That is why the 4.0x and 7-year cell (21.9%) is close to 20%.

### Other mental-math aids

- Growth factors: 1.05^5 = 1.28, 1.06^4 = 1.26, 1.08^5 = 1.47, 1.10^5 = 1.61.
- Required entry equity for a target return: exit equity / (1 + IRR)^N; 1.20^5 = 2.49 and 1.25^5 = 3.05.
- Tax on interest: after-tax cost = rate x (1 - tax rate); at 8% and 25%, 6%.

## Worked example B (half solved): a dividend recapitalisation

<!-- Guidance: Fill each [ ] before checking the answer key. The point is that IRR and MOIC react differently to the timing of cash. -->

Start from Worked example A. In year 3 Northfield raises new debt and pays the sponsor a dividend of USD 100m. To keep
the arithmetic simple, assume the new debt is repaid out of exit proceeds, so exit equity falls by exactly 100 and the
extra interest is ignored (a simplification you would state in an interview).

| Item | Computation | Result |
|---|---|---|
| Equity cash flows, years 0 to 5 | -316, 0, 0, +100, 0, [ ] | |
| Exit equity after repaying the recap debt | 776.30 - 100 | [ ] |
| Total distributions | 100 + [ ] | [ ] |
| MOIC | [ ] / 316 | [ ] |
| IRR | `=IRR(B1:B6)` on the six flows | [ ] |
| Comparison with Worked example A | IRR [higher / lower], MOIC [higher / same / lower] | [ ] |

Question to answer in one sentence: why does a sponsor like a dividend recap even when MOIC does not rise? [ ]

## Practice case 1: Brindlemoor Packaging

<!-- Guidance: Twenty minutes, paper and pen. Then check the answer key, which shows every line. -->

Brindlemoor Packaging is a fictional maker of recyclable food trays with last-twelve-month EBITDA of USD 50m. A
sponsor proposes:

- entry at 10.0x EBITDA, fees 2% of enterprise value;
- debt of 6.0x EBITDA at 9% interest, all free cash flow used to repay debt;
- EBITDA growth of 6% a year for four years;
- depreciation and amortisation USD 8m a year, capital expenditure USD 10m a year, no change in working capital;
- tax 25%; exit after four years at 10.0x.

Questions:

1. Build the sources and uses table.
2. Build the four-year debt schedule.
3. Compute exit equity, MOIC and IRR.
4. The exit multiple falls to 9.0x. What are MOIC and IRR now?
5. What exit multiple would the sponsor need for a 20% IRR?
6. Give two sentences of judgement: what drives the return and what is the main risk?

## Practice case 2: Oxley Lane Laboratory Services

<!-- Guidance: This case asks the question the other way round: what is the most the sponsor can pay? Work backwards from the exit. -->

Oxley Lane Laboratory Services is a fictional provider of outsourced testing for food producers, with
last-twelve-month EBITDA of USD 40m. Lenders will provide debt of 4.5x EBITDA at 8%, regardless of the price. Other
assumptions: EBITDA growth 8% a year; depreciation and amortisation equal to capital expenditure at USD 6m a year; no
change in working capital; tax 25%; no fees (to keep the case short); holding period five years; exit at 9.0x; all
free cash flow repays debt. The fund needs an IRR of 25%.

Questions:

1. Build the debt schedule. (Hint: because debt does not depend on the price, neither does the schedule.)
2. Compute exit equity.
3. What is the maximum entry equity for a 25% IRR, and so the maximum entry enterprise value and multiple?
4. The seller asks for 9.0x. What MOIC and IRR would the sponsor earn?
5. Name two ways the sponsor could still meet 25% at 9.0x, and the risk each one adds.

## Connections to other cards

<!-- Guidance: The paper LBO sits between corporate finance theory and deal practice. Follow the links that match your gap. -->

| Card or template | Connection |
|---|---|
| mba/mba-npv-irr-card | IRR definition, multiple-IRR pitfalls, Excel `IRR` and `XIRR` conventions |
| mba/mba-capital-structure-card | Why debt adds value (tax shield) and risk (distress costs); Modigliani and Miller |
| mba/mba-dcf-valuation-card | Intrinsic value versus the sponsor's return-based price |
| mba/mba-banking-technical-prep | The LBO floor in the football field and accretion and dilution |
| mba/mba-three-statements-card | Why free cash flow is after interest and tax in the debt schedule |
| finance/private-equity-investment-memo | Where the paper LBO goes in a real investment memo |
| finance/investment-committee-memo | How returns are presented to an investment committee |

## Common mistakes and misconceptions

<!-- Guidance: Read before every practice run. These are the errors interviewers see most often. -->

1. Forgetting fees in uses, so the equity cheque and the MOIC denominator are too small.
2. Computing interest on closing debt or on entry debt every year instead of on opening debt each year.
3. Forgetting tax on pre-tax income, or taxing EBITDA instead of income after depreciation and interest.
4. Adding back depreciation but forgetting to subtract capital expenditure, which overstates free cash flow.
5. Subtracting entry debt instead of remaining debt at exit.
6. Treating IRR as MOIC divided by years (2.5x in 5 years is not 30%; it is about 20%).
7. Assuming multiple expansion without saying so; a prudent base case exits at the entry multiple.
8. Believing that more leverage always raises the return: it raises IRR only while the business can service the
   debt, and the downside case gets worse.
9. Ignoring limits on interest deductibility at high leverage, which raise cash taxes.
10. Finishing the arithmetic without any judgement about risks and levers.

## Self-test questions

<!-- Guidance: Answer from memory, then check the answer key. Repeat after two days. -->

1. Name the three sources of return in an LBO.
2. A sponsor invests 200 and receives 500 after five years with no interim flows. What are MOIC and IRR?
3. Using the rule of 72, roughly how many years does it take to double money at 18%?
4. Why does a higher leverage multiple raise IRR, and when does it stop helping?
5. In Worked example A, what share of the equity gain came from debt paydown?
6. Why is interest charged on opening debt in a paper LBO?
7. A deal returns 2.0x in three years or 2.5x in five years. Which has the higher IRR?
8. Write the Excel formula for the IRR of a 2.4x MOIC over four years without interim flows.
9. What happens to MOIC and to IRR when a sponsor receives a dividend recap in year 2, other things equal?
10. Why is the LBO value usually the lowest bar in a banking football field?

## My notes and next steps

<!-- Guidance: Record your best times and the next practice set with a date. -->

| Date | Case | Time (minutes) | Errors | Next step |
|---|---|---|---|---|
| *Example:* YYYY-MM-DD | Practice case 1 | 26 | Forgot capex in free cash flow | Repeat case 1 in under 20 minutes |
| [YYYY-MM-DD] | [ ] | [ ] | [ ] | [ ] |

## Sources and further reading

<!-- Guidance: Primary works first, then textbooks by name. Nothing is copied; formulas are standard. -->

Primary works:

- Jensen, M. C. (1986). Agency costs of free cash flow, corporate finance, and takeovers. *American Economic Review*,
  76(2), 323-329.
- Jensen, M. C. (1989). Eclipse of the public corporation. *Harvard Business Review*, 67(5), 61-74.
- Kaplan, S. N. and Stromberg, P. (2009). Leveraged buyouts and private equity. *Journal of Economic Perspectives*,
  23(1), 121-146.
- Gompers, P., Kaplan, S. N. and Mukharlyamov, V. (2016). What do private equity firms say they do? *Journal of
  Financial Economics*, 121(3), 449-476.
- Council Directive (EU) 2016/1164 of 12 July 2016 laying down rules against tax avoidance practices that directly
  affect the functioning of the internal market, Article 4, http://data.europa.eu/eli/dir/2016/1164/oj.
- Internal Revenue Service (2026). Questions and answers about the limitation on the deduction for business interest
  expense (FS-2026-14), checked 2026-10-28,
  https://www.irs.gov/newsroom/questions-and-answers-about-the-limitation-on-the-deduction-for-business-interest-expense.

Textbooks (further reading, by name only): Rosenbaum and Pearl, *Investment Banking: Valuation, LBOs, M&A, and IPOs*;
Berk and DeMarzo, *Corporate Finance*; Brealey, Myers and Allen, *Principles of Corporate Finance*.

Open resource: OpenStax, *Principles of Finance* (CC BY-NC-SA 4.0), https://openstax.org.

## Answer key

<!-- Guidance: Every number below was computed in Python and matches the calculation script. -->

Worked example B: equity flows -316, 0, 0, +100, 0, +676.30; total distributions 776.30; MOIC 2.46x (unchanged);
IRR 21.1% (`=IRR` on the six flows) against 19.7% without the recap. IRR is higher and MOIC the same because cash
comes back earlier; sponsors like recaps because they lock in part of the return and raise IRR, at the cost of higher
leverage.

Practice case 1 (Brindlemoor Packaging, USD m):

1. Uses: enterprise value 500.00 (10.0 x 50) plus fees 10.00 = 510.00. Sources: debt 300.00 (6.0 x 50), sponsor
   equity 210.00 (41.2%).
2. Debt schedule (free cash flow = net income + 8 - 10):

| Year | EBITDA | Interest | Pre-tax income | Tax | Net income | Free cash flow | Closing debt |
|---|---|---|---|---|---|---|---|
| 1 | 53.00 | 27.00 | 18.00 | 4.50 | 13.50 | 11.50 | 288.50 |
| 2 | 56.18 | 25.96 | 22.21 | 5.55 | 16.66 | 14.66 | 273.84 |
| 3 | 59.55 | 24.65 | 26.91 | 6.73 | 20.18 | 18.18 | 255.66 |
| 4 | 63.12 | 23.01 | 32.11 | 8.03 | 24.09 | 22.09 | 233.57 |

3. Exit EV 10.0 x 63.12 = 631.24; exit equity 631.24 - 233.57 = 397.66; MOIC 1.89x; IRR 17.3%
   (`=RRI(4,210,397.66)`).
4. Exit EV 568.11; exit equity 334.54; MOIC 1.59x; IRR 12.3%.
5. Needed exit equity 210 x 1.2^4 = 435.46; needed EV 435.46 + 233.57 = 669.03; multiple 669.03 / 63.12 = 10.60x.
6. High entry price and heavy interest (9% on 6.0x) leave little free cash flow, so paydown is slow (66.43 over four
   years) and the return depends on EBITDA growth and holding the multiple. The main risk is multiple compression:
   one turn lower costs about five points of IRR.

Practice case 2 (Oxley Lane Laboratory Services, USD m):

1. Debt 180.00 (4.5 x 40). Free cash flow equals net income because depreciation equals capital expenditure.

| Year | EBITDA | Interest | Pre-tax income | Tax | Free cash flow | Closing debt |
|---|---|---|---|---|---|---|
| 1 | 43.20 | 14.40 | 22.80 | 5.70 | 17.10 | 162.90 |
| 2 | 46.66 | 13.03 | 27.62 | 6.91 | 20.72 | 142.18 |
| 3 | 50.39 | 11.37 | 33.01 | 8.25 | 24.76 | 117.42 |
| 4 | 54.42 | 9.39 | 39.03 | 9.76 | 29.27 | 88.15 |
| 5 | 58.77 | 7.05 | 45.72 | 11.43 | 34.29 | 53.86 |

2. Exit EV 9.0 x 58.77 = 528.96; exit equity 528.96 - 53.86 = 475.10.
3. Maximum entry equity 475.10 / 1.25^5 = 475.10 / 3.052 = 155.68; maximum EV 155.68 + 180.00 = 335.68; maximum
   multiple 335.68 / 40 = 8.39x. Excel: `=475.10/(1+25%)^5`.
4. Entry equity 360.00 - 180.00 = 180.00; MOIC 475.10 / 180.00 = 2.64x; IRR 21.4% (`=RRI(5,180,475.10)`).
5. More debt (raises IRR but adds default and covenant risk), faster growth or margin improvement (operating risk if
   the plan slips), or a dividend recap (refinancing risk). A higher exit multiple assumption is not a plan.

Self-test:

1. EBITDA growth, multiple expansion, debt paydown.
2. MOIC 2.5x; IRR 20.1% (`=RRI(5,200,500)`).
3. About 4 years (exact 4.19).
4. A smaller equity cheque means each unit of value gained is a larger percentage of equity. It stops helping when
   interest absorbs the free cash flow, when interest caps raise taxes, or when the default risk and lenders' price
   rise.
5. Debt paydown 255.28 of a 460.30 gain, about 55%.
6. To avoid circularity: interest on average debt depends on the repayment, which depends on interest.
7. 2.0x in three years (26.0%) beats 2.5x in five (20.1%).
8. `=2.4^(1/4)-1` or `=RRI(4,1,2.4)`, which gives 24.5%.
9. MOIC is unchanged (if the recap debt is simply repaid at exit, ignoring its interest) and IRR rises because cash
   arrives earlier; with the extra interest, MOIC falls slightly.
10. A sponsor has no synergies and a high return target, so it can pay less than a strategic buyer.

## Revision history

<!-- Guidance: Add a row each time you replace an example or complete a timed set. -->

| Version | Date | Author | Change summary |
|---|---|---|---|
| 0.1 | YYYY-MM-DD | [Your name] | First pass through examples A and B |
| 0.2 | YYYY-MM-DD | [Your name] | *Example:* Both practice cases under 20 minutes |

## Standard and licence note

Based on standard leveraged buyout and corporate finance practice and the primary works listed above. The text,
examples, numbers and practice cases are original; no textbook, guide or published interview case is copied or
paraphrased, and Northfield Outdoor Co., Brindlemoor Packaging and Oxley Lane Laboratory Services are fictional. The
template is independent and not affiliated with or endorsed by any private equity firm, bank, business school or
publisher. Check current tax rules on interest deductibility before you rely on them.
Template licence: MIT.
