6. Bobbie Company produces three products. The manufacture of these products is partially automated. Total available labor hours are 1,000 hours. Time requirements and contribution margins per unit for each product are as follows: Product XProduct Y Productz Labor hours per unit Contribution margin per unit Required: a. Which product or products would you produce assuming the 1,000 labor hours and that you can sell everything you $20 S15 $6 make? b. What is the maximum amount of contribution margin you can ean with 1,000 labor hours? c. How would your answer in a change if you must sell at least 50 units of Product Y