Introduction

The book you just opened is different from most others on Excel that you might have seen. That’s because it focuses on a topic that is deeply important to us all: money.

The novelist Rex Stout once wrote, facetiously, “The science of accounting has two main branches, first addition, and second subtraction.” I kept that in mind when I was casting about for the book’s theme. I wanted to write a book that would show people how to maximize profit, the result of combining those two branches.

Profit, of course, is not revenue. I can’t ...

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