Michael Company has fixed costs of $1,182,720. The unit selling price, variable cost per unit, and contribution margin per unit for the company's two products follow: Product Model Selling Price Variable Cost per Unit Contribution Margin per Unit Yankee $540 $320 $220 Zoro 380 270 110 The sales mix for products Yankee and Zoro is 20% and 80%, respectively. Determine the break-even point in units of Yankee and Zoro. a. Product Model Yankee units b. Product Model Zoro units