Sales Mix and Break-Even Analysis Heyden Company has fixed costs of $1,470,600. The unit selling price, variable cost per unit, and contribution margin per unit for the company's two products follow: Product Sellling Price Variable Cost per Unit Contribution Margin per Unit $740 $420 QQ $320 Zz 980 880 100 The sales mix for Products QQ and ZZ is 40% and 60% , respectively. Determine the break-even point in units of QQ and zz. If required, round your answers to the nearest whole number. a. Product QQ units b. Product ZZ units