First Edition · 2026
StackedCFO LLC
Manufacturing · FP&A · Private Equity · AI
Casper Zhao wrote this for finance professionals who inherited a costing system nobody fully explained — and are now expected to defend it in front of a board, a buyer, or an auditor.
Who inherited a costing methodology built twenty years ago by someone who no longer works there — and need a 90-day plan to assess it before they're blamed for it.
Who need to turn cost behavior into scenario models, contribution analysis, and pricing decisions the board will actually trust.
Who need to know whether a target's "profitable" customers and products are real — before the wire transfer, not after.
Who are tired of finance numbers that don't match what they see on the floor — and want the vocabulary to push back.
Who assume cost accounting is "a manufacturing thing" — until CAC, realization rates, and gross margin start deciding whether they raise their next round.
Who want the real-world version of cost accounting — not the textbook version where the numbers conveniently work out.
Every chapter is built around a real failure pattern — the kind that shows up in audits, due diligence, and board meetings, not textbooks.
Most costing books teach formulas. This one teaches judgment — the thing that actually separates a finance leader from a spreadsheet.
This is the kind of decision-grade question Chapter 16 builds models for: does a customer or product actually contribute to profit once you separate fixed cost from variable cost — instead of relying on a "fully allocated" number that hides the answer.
Real excerpts from the book — the kind finance leaders screenshot and send to their team.
A real pattern from Chapter 13, "Costing Disasters and the Anatomy of Financial Collapse."
A factory automates production. Direct labor drops sharply. Overhead is still allocated based on direct labor hours, just like it was ten years ago. What happens to product costs?
A 50+ chapter field manual — click to preview a few sections.
If you've ever signed off on a cost report you didn't fully understand, this is the book that closes that gap — chapter by chapter, decision by decision.