Revenue is your lifeblood. You're constantly looking for ways to create more revenue or cut your expenses as much as possible. Revenue minus expenses equals profit, so how do you create more revenue? How do you cut expenses? The first step is understanding what makes up your revenue and expenses, and how reducing or increasing those things impacts your profit. That's what this series is all about. In it, we introduce you to the Retailer Profitability Model, or RPM. This model breaks down the individual parts of a retailer's operating expenses and revenue. In this first course, we'll give you a brief overview of RPM and some common vocabulary that you'll run into throughout the series.