Sales mix and break$-$even analysis

Heyden Company has fixed costs of $$965,700.$ The unit selling price, variable cost per unit, and contribution margin per unit for the company's two products follow:

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

$x$ units

b$.$ Product Model Zoro

units