Harrington Corporation produces three products, A, B, and C. Pertinent information on these products is as follows: DL Hours per Unit Product Selling Price per Variable Cost per Unit Unit $ 4.00 $ 1.ee $ 3.50 $ 0.50 $ 6.00 $ 2.ee Fixed Cost per Unit $2.ee $2.00 $3.ee The objective function for a linear program to maximize contribution margin from the set of three products is: Multiple Choice Z= $4A + $3.50B + $6C. Z=A + B + C. Z=A+ $0.50B + $2C. Z= $3A + $3B + $4C. Z= $3A + $2.5OB + $5C