Mars Company manufactures and sells three products. Relevant per unit data concerning each product are given below: Product A B C Selling price $9 $15 $18 Variable costs and expenses $6 $13 $15 Machine hours to produce 2 1 2 What is the total contribution margin if the hours are (1) divided equally amoung the products and (2) if they are allocated entirely to the product identified above. Total contribution margin (1) Divided equally amoung the products (2) Allocated entirely to the product identified above