Refer again to Problems 14.5 and 14.7. 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.
Problems 14.7 - Using the information in Problem, construct a net material requirements plan using the following on-hand inventory.
|
Item
|
On-hand Inventory
|
Item
|
On-hand Inventory
|
|
S
|
20
|
W
|
30
|
|
T
|
20
|
X
|
25
|
|
U
|
40
|
Y
|
240
|
|
V
|
30
|
Z
|
40
|
Problem 14.5 - 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.