ZZYZX Inc. fabricates four products A, B, C, and D through two activities: Step 1 and Step 2. Step 1 has 220 available work hours, and Step 2 has 350 available work hours per week. ZZYZX received a customer order for 100,80,60, and 40 units of A,B,C, and D, respectively which it must fulfill in a week. The company can choose to fabricate any or all of the products, purchase them from another vendor, or do a combination of these strategies to fulfill the customer order. Management scientists at ZZYZX have formulated and solved the problem to optimality using the goal of filling the order at the least cost. The sensitivity report at the optimal solution is found below. Cnnctraints Which of the following statements are true? The contribution to the total cost of Product A in the solution is $2,000. 220 hours are used to fabricate the products in Step 1. The optimal order will deliver 60 units of Product C in total. Exactly two answers are correct