Companion files

Mergers and Acquisitions

A Practitioner’s Guide to the Seven Prices of One Deal, and Which of Them Is True

These are the companion files of Mergers and Acquisitions by Julian R. Sterling.The book on Amazon →

The four Excel workbooks that go with the book, recalculated by an independent model and given fifteen new checks for sentences of the book that the arithmetic does not support. Around them: the same four models with the inputs emptied, for your own deal; thirteen working documents to print; forty questions that mark themselves; and three cases the book names and never takes to a number. Every figure is a live formula, and each workbook ends with a Checks sheet: 159 controls in all, every one green.

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Twelve workbooks, the printable documents and the read-me. Each group below can also be downloaded on its own. Last revised 24 September 2026.

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The four workbooks

These carry the book’s own figures, so that every number it prints can be traced to a live formula. Each closes on a checks sheet that ends ALL OK. Download these four127 KB

The same models, for your own deal

The four workbooks with every input emptied. The checks sheets count what is still missing and test what holds for any inputs.

The documents the chapters describe

Thirteen pages to print and use. A4, with margins wide enough for US Letter.

Forty questions, marked by the file

A workbook that marks itself. Answer in the yellow cells; the marking fills in as you go.

Three cases the book does not work

New material, not a restatement. Three situations the chapters name and never take to a number. Each case is one workbook: the note is the first sheet, the model is the rest, and a checks sheet closes it. Type your own figures in and every finding recomputes.

Conventions used throughout

Blue texta hardcoded input — you may edit these
Yellow fillan input cell; everything else on the sheet is a formula
Black texta formula — do not overtype these
Checks sheetthe printed figure beside the computed one, with a PASS or a FAIL; the sheet ends ALL OK
ADDEDa figure the book does not give, used in the cases and marked wherever it appears

Why the checks matter more than the models

A workbook that agrees with a book proves nothing on its own — the author wrote both. What the Checks sheets do is different: they force the model to reproduce, from a formula, a number that was printed before the model existed.

On this book the discipline worked in the other direction repeatedly. The reference model went through eight adversarial audit passes and carries a journal of sixty corrections at the end of its source. Four of them reversed a conclusion that had already been written on the page — including the one about the leases, where an earlier version billed the rent twice and printed a headline of minus 19.8485 per cent because that looked like the rigorous answer. One version was shipped with the proof of its own error printed in its output file and unread, which is why the model now refuses to print at all if the year-one bridge does not close, and refuses to print a sentence claiming a movement it does not compute.

The last two passes found no arithmetic error at all. What they found were sentences that were true when they were written and false when they were read.

Go beyond the companion files

Mergers and Acquisitions develops the complete framework behind these models, with the assumptions, trade-offs and worked examples tied together.

View the book on Amazon Read the related analysis

Opening the files

The workbooks open in Microsoft Excel, LibreOffice Calc, Google Sheets and Numbers; the PDF prints on A4 or US Letter. They use no macros and no add-ins, so nothing needs to be enabled or trusted. If your spreadsheet asks to update links on opening, decline — there are none.

What changed, and when

24 Sep 2026The four workbooks recalculated by an independent model: every computed figure is the book’s. Fifteen checks added where the book’s sentences outrun its figures: the amortisation is 64,483 below the synergy run rate, not above it; the dilution ranks fourth; the wrong consideration is off by 2,749,087, not 6,900,000; with the target’s profit first the bridge stands at 0.541432, not 0.505634; value created turns positive at 8.77 per cent, or at 2.22 per cent growth, not a full point lower or above 2.50. Two read-me texts corrected. Added: a blank set, thirteen working documents, forty questions that mark themselves, and three cases.

Articles on this book

Also by Julian R. Sterling

The other books with companion files. The full list of titles is on the author page.

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