Michael Company has fixed costs of $292,500. The unit selling price, variable cost per unit, and contribution margin per unit for the company's two products follow: Selling Price Variable Cost per Unit Product Model Yankee Zoro $160 120 $100 100 Contribution Margin per Unit $60 20 The sales mix for products Yankee and Zoro is 75% and 25%, respectively. Determine the break-even point in units of Yankee and Zoro. a. Product Model Yankee units b. Product Model Zoro units