Exercise 20-11 (Part Level Submission) Mars Company manufactures and sells three products. Relevant per unit data concerning each product are given below Selling price Variable costs and expenses Machine hours to produce $5 12 15 (a) Compute the contribution margin per unit of limited resource (machine hours) for each product. (Round contribution margin per unit to 2 decimal places, e.g. 1.25.) Product A Product B Product C Contribution margin per unit of limited resource Attempts: 0 of 5 used