Exercise 21-9 Contribution margin and break-even P2 Blanchard Company manufactures a single product that sells for $180 per unit and whose total variable costs are $135 per unit. The company's annual fixed costs are $562,500. Use this information to compute the company's (a) contribution margin, (b) contribution margin ratio. (c) break-even point in units, and (d) break-even point in dollars of sales