Current Attempt in Progress Pharoah Company manufactures and sells three products. Relevant per unit data concerning each product are given below. Product A B C Selling price $10 $13 $20 Variable costs and expenses $5 $9 $17 Machine hours to produce 2 1 2 (a) Your answer is incorrect. 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 Contribution margin per unit of limited resource $