The demand for subassembly S is 80 units in week 7. Each unit of S requires 1 unit of T and 1 unit of U. Each unit of T requires 2 units of V, 1 unit of W, and 1 unit of X. Finally, each unit of U requires 2 units of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to make U, 2 weeks to make V, 3 weeks to make W, 2 weeks to make X, 2 weeks to make Y, and 2 weeks to make Z. Click the icon to view the product structure and the time-phased product structure. In addition to 80 units of S, there is also a demand for 20 units of U, which is a component of S. The 20 units of U are needed for maintenance purposes. These units are needed in week 6. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used). Item S Gross req Order release Week 1 2 3 4 5 6 7 Lead Time (weeks) 2 Level The product structure. 0 T(1) 1 S U(1) 2 V (2) W (1) X (1) Y (2) Z (3) ☑ The time-phased product structure. Y N V W T ☑ S ✓ U 1 2 3 4 5 6 7 Time in weeks
The demand for subassembly S is 80 units in week 7. Each unit of S requires 1 unit of T and 1 unit of U. Each unit of T requires 2 units of V, 1 unit of W, and 1 unit of X. Finally, each unit of U requires 2 units of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to make U, 2 weeks to make V, 3 weeks to make W, 2 weeks to make X, 2 weeks to make Y, and 2 weeks to make Z. Click the icon to view the product structure and the time-phased product structure. In addition to 80 units of S, there is also a demand for 20 units of U, which is a component of S. The 20 units of U are needed for maintenance purposes. These units are needed in week 6. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used). Item S Gross req Order release Week 1 2 3 4 5 6 7 Lead Time (weeks) 2 Level The product structure. 0 T(1) 1 S U(1) 2 V (2) W (1) X (1) Y (2) Z (3) ☑ The time-phased product structure. Y N V W T ☑ S ✓ U 1 2 3 4 5 6 7 Time in weeks
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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