Colt Company produces two skateboard models. Machine time per unit for Hero is two hours and for Flip is one hour. The machine's capacity is 1,600 hours per year. Colt can sell up to 500 units of Hero and 900 units of Flip per year. Selling prices and variable costs follow. Selling price per unit Variable costs per unit Machine hours per unit Maximum units sold per year Machine capacity Hero Flip $150 $95 50 55 2 500 900 1,600 hours per year Required: (a) Compute the contribution margin per machine hour for each product. (Use cells A2 to C13 from the given information to complete this question. Negative amounts or amounts to be deducted should be input and displayed as negative values.) Contribution margin per unit Contribution margin per machine hour (b) Determine the best sales mix of products. Hero Flip Hero Flip Total Units produced and sold for most profitable sales mix Hours required to produce most profitable sales mix