Cortez Company makes two types of baclopacks. Data for the company's activity during a

typical month are presented below:

The company's fixed expenses are $$80,000.$

Required:

$($a$)$ Determine the overall company contribution margin ratio.

$($b$)$ Determine the break$-$even point for the company in terms of sales dollars if the sales mis

remains constant.

$($c$)$ Find the margin of safety in terms of sales dollars..

$($d$)$ If the sales mix is changed to $60,000$ units of the school model and $20,000$ units of the

hiker model, find the break$-$even point in terms of siles dollars.