Mars Company manufactures and sells three products. Relevant per unit data concerning each product are given below Product Selling price Variable costs and expenses Machine hours to produce $10 $13 $16 s9 $13 $6 Compute the contribution margin per unit of limited resource machine hours or each product. (Round contribution margin per un t to 2decima acese.g 12 Product A Product B Product C Contribution margin per unit of limited resource