Brief Exercise 7-24 Variable Cost, Fixed Cost, Contribution Margin Income Chillmax Company plans to sell 3,500 pairs of casual shoes at $60 each in the coming year. Product costs include Dizect materials per pair Direct labor per pair Variable factory overhead per pair Total fixed factory overhead S 12 30.000 Variable selling expense is a commission of $3 per pair, fixed selling and administrative expense totals $48,000. Required: 1. Calculate the total variable cost per unit. 2. Calculate the total fixed expense for the year. 3. Prepare a contribution margin income statement for Chilmar Company for the coming year