explain rhe 40% and 60% as well please

Sales Mix and Break-Even Analysis Megan Company has fixed costs of $1,449,600. 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 $480 $280 $200 Zoro 340 300 40 The sales mix for products Yankee and Zoro is 75% and 25%, respectively. Determine the break-even point in units of Yankee and Zoro. a. Product Model Yankee units b. Product Model Zoro units