3. A manufacturing company produces two products, A and B. The bills of labor for these products are shown below along with a trial master schedule for a 6-month horizon.

The production cycles for the products are so short that the lag between the loads on the work center and the final production operation shown on the master schedule need not be considered in rough-cut capacity planning.

a. Determine the load profiles for work centers 19 and 52 caused by the trial master schedule.

b. Adjust the trial master schedule so that it provides more uniform load profiles yet meets the following conditions: At least 400 A units must be available by the end of period 1; an additional 750 A units must be available by the end of period 5; and 1,100 B units must be made by the end. of period 5.

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Bill of Labor, Product A WORK CENTER HOURS REQUIRED WORK CENTER Bill of Labor, Product B HOURS REQUIRED 16 2.1 10 2.8 19 6.8 18 1.3. 25 4.1 19 3.6 41 7.2 35 2.1 52 3.9 52 1.7 Trial Master Schedule (Units to Be Completed) Month PRODUCT 1 2 3 4 B 6 A 400 200 250 350 200 100 B 300 350 200 300 300