Problem No. 2 Assembly Y is made from 1 part A and 2 parts B. Assembly z is made from 2 parts C. Part C is made from 2 parts D. All operations have a lead time of one week. The routing sheet for all parts (with processing times) is shown below, as are the requirements for the next 7 weeks. There is no demand beyond period 7. How many hours are required in work center W2 during week 2 using CRP? How many hours are required in work center W3 during week 5, also using CRP? Demand in Period Products 1 2 3 4 5 6 7 25 20 25 19 22 32 26 85 100 105 120 115 130 90 Hours in work center W2 in week 2 Routings Time/unit (minutes) Product Step WorkCenter A 1 of 2 1 W1 Hours in work center W3 in week 5 A 3 W2 B 4 W3 B 2 W3 B 1 W1 C 3 W2 2 of 2 1 of 3 2 of 3 3 of 3 1 of 2 2 of 2 1 of 1 1 of 2 2 of 2 1 of 1 C 3 W1 D 1 W4 2 W3 Y 3 W2 Z 5 W3 Problem No. 2 Assembly Y is made from 1 part A and 2 parts B. Assembly z is made from 2 parts C. Part C is made from 2 parts D. All operations have a lead time of one week. The routing sheet for all parts (with processing times) is shown below, as are the requirements for the next 7 weeks. There is no demand beyond period 7. How many hours are required in work center W2 during week 2 using CRP? How many hours are required in work center W3 during week 5, also using CRP? Demand in Period Products 1 2 3 4 5 6 7 25 20 25 19 22 32 26 85 100 105 120 115 130 90 Hours in work center W2 in week 2 Routings Time/unit (minutes) Product Step WorkCenter A 1 of 2 1 W1 Hours in work center W3 in week 5 A 3 W2 B 4 W3 B 2 W3 B 1 W1 C 3 W2 2 of 2 1 of 3 2 of 3 3 of 3 1 of 2 2 of 2 1 of 1 1 of 2 2 of 2 1 of 1 C 3 W1 D 1 W4 2 W3 Y 3 W2 Z 5 W3