Holden Corporation produces three products, with costs and selling prices as follows: Product Product Product ABC Selling price $ 30 100 % $ 20 100 % $ 15 100 % per unit Variable 18 60 % 15 75 % 6 40 % costs per unit Contribution $ 12 40 % $ 5 25 % $ 9 60 % margin per unit A particular machine is the bottleneck. On that machine, 3 machine hours are required to produce each unit of Product A, 1 hour is required to produce each unit of Product B, and 2 hours are required to produce each unit of Product C. Rank the products from the most profitable to the least profitable use of the constrained resource (bottleneck). Select one: a. A,C,B o b.C, A, B c. B, C, A od. B, A, C