Conventional accounting uses the logical (albeit, flawed) formula: Sales Expenses Profit. The problem is, businesses are run by humans, and humans arent always logical. Serial entrepreneur Mike Michalowicz has developed a behavioral approach to accounting to flip the formula: Sales Profit Expenses. Just as the most effective weight loss strategy is to limit portions by using smaller plates, Michalowicz shows that by taking profit first and apportioning only what remains for expenses.