SRat Company sells two types of street shoes. Round to 1 decimal places where needed. Shoe A Shoe B Total Sales $/unit $40. $55. Sales in total 9000 21,000 Variable costs $20 $25 Total fixed costs $101,250 Using the data above: a) What is the contribution margin / unit for Shoe A? $ 20 b) What is the sales mix of Shoe B vs. all sales? 20 % c) What is the weighted average contribution margin for the company? $ d) What is the break even for the company in units? units. e) How many units of Shoe A must the company sell to break even? units. f) How many units of Shoe B must the company sell to break even? units