Mars Company manufactures and sells three products. Relevant per unit data concerning each product are given below. Product A B C Selling price $11 $13 $20 Variable costs and expenses $6 $11 $17 Machine hours to produce 2 1 2 Compute the contribution margin per unit of limited resource (machine hours) for each product. (Round contribution margin per unit to 2 decimal places, eg. 1.50.) Contribution margin per unit of limited resource Product A Product B Product C