Sales Mix and Break-Even Analysis Heyden Company has fixed costs of $580,640. 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 $140 $60 $80 Zoro 200 140 60 The sales mix for products Yankee and Zoro is 80% and 20%, respectively. Determine the break-even point in units of Yankee and Zoro. a. Product Model Yankee units b. Product Model Zoro units