Sales Mix and Break-Even Analysis Heyden Company has fixed costs of $1,068,720. 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 $480 $240 $240 260 160 100 The sales mix or Products and ZZ is 85% and 15% respective y etermine he break even point in units of and Z require round your answers t the nearest o e number. a. Product QQ X units b. Product zzunits