Raven Inc. sells a single product for $50. Variable costs include $31.50 for each unit plus a $7 selling expense per unit. Fixed costs are $195, 500 per month. a. What is the contribution margin percentage? Contribution Margin % b. What is the break-even sales revenue? Break-Even Sales Revenue c. What sales revenue is needed to achieve a $250, 010 per month profit? Total Sales Revenue Needed