Author of cult classics The Pumpkin Plan and The Toilet Paper Entrepreneur offers a simple, counterintuitive cash management solution that will help small businesses break out of the doom spiral and achieve instant profitability.Conventional accounting uses the logical (albeit, flawed) formula: Sales - Expenses = Profit. The problem is, businesses are run by humans, and humans aren't always logical. Serial entrepreneur Mike Michalowicz has developed a behavioral approach to a