d) In addition to 100 units of S, there is also a demandfor 20 units of U, which is a component of S. The 20 units of U are neededfor maintenance purposes. These units are needed in week 6. Modify the gross material requirements plan to reflectthis change. e) In addition to 100 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 net material requirements plan to reflect this change.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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i need solution for part d and part e

1. The demand for subassembly S is 100 units in week
7.Each unit of S requires 1 unit of T and 2 units of U.
Each unit of T requires 1 unit of V, 2 units 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,1
week to make X, 2 weeks to make Y, and 1 week to
make Z.
a) Construct a product structure. Identify all levels,
parents, and
Components.
b) Prepare a time-phased product structure.
c) Construct a gross material requirements plan.
d) In addition to 100 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.
e) In addition to 100 units of S, there is also a demandfor
20 units of U, which is a component of S. The 20 units of
U are neededfor maintenance purposes. These units are
needed in week 6. Modify the net material requirements
plan to reflect this change.
Transcribed Image Text:1. The demand for subassembly S is 100 units in week 7.Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 1 unit of V, 2 units 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,1 week to make X, 2 weeks to make Y, and 1 week to make Z. a) Construct a product structure. Identify all levels, parents, and Components. b) Prepare a time-phased product structure. c) Construct a gross material requirements plan. d) In addition to 100 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. e) In addition to 100 units of S, there is also a demandfor 20 units of U, which is a component of S. The 20 units of U are neededfor maintenance purposes. These units are needed in week 6. Modify the net material requirements plan to reflect this change.
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