Exercise 19-11 a-c (Video) (Part Level Submission) Crane Company manufactures and sells three products. Relevant per unit data concerning each product are given below. Product $10 $13 $16 Selling price Variable costs and expenses Machine hours to produce $6 2 $ 10 1 $13 2 (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. 1.50.) Product A Product B Product C Contribution margin per unit of limited resource