Oriole Company manufactures and sells three products. Relevant per-unit data for each product follow: Product A B Selling price $10.50 $13.00 $16.00 Variable costs and expenses $2.50 $11.30 $12.50 Machine hours to produce 2.00 1.00 2.00 (a) Calculate the contribution margin per unit of the limited resource (machine hours) for each product. (Round per unit and final answers to 2 decimal places, e.g. 15.25.) Product A Product B Produc Contribution margin per unit of limited resource $ $ $