Sales Mix and Break-even Analysis Heyden Company has fixed costs of $1,407,120. The unit selling price, variable cost per unit, and contribution margin per unit for the company's two products follow: Product Selling Price Variable Cost per Unit Contribution Margin per Unit QQ $350 $190 $160 ZZ 200 The sales mix for Products QQ and ZZ is 90% and 10%, respectively. Determine the break-even point in units of QQ and ZZ. If required, round your answers 460 260 to the nearest whole number. a. Product QQ units b. Product ZZ units