Costing Traps (Part 1)
Stop using accounting cost for business decisions. Learn how to identify Relevant Costs, ignore Sunk Costs, and avoid the "Death Spiral" in pricing and make-or-buy scenarios.
When Accounting Deceives: How Absorption Costing Distorts Profit
Why did profit go up while sales stayed flat? A detailed case study comparing Absorption Costing vs. Variable Costing. Learn how inventory build-up creates "phantom profit".
Weighted Average Cost Is a Fiction
Using Weighted Average Cost for decision-making is a dangerous trap. A real-world case study showing how mechanical accounting destroys profit and how to fix it.