The demand for subassembly S is 90 units in week 7. Each unit of S requires1 unit of T and 2 units of U. Each unit of T requires 1 unit 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, 2 weeks to make T, 2 weeks to make U, 1 week to make V, 2 weeks to make W, 1 week to make X, 2 weeks to make Y, and 2 weeks to make Z.

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In addition to

90

units of S, there is also a demand for

30

units of U, which is a component of S. The

30

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).

		Week							Lead Time
Item		1	2	3	4	5	6	7	(weeks)
S	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2

T	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2

U	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2

V	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	1

W	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2

X	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	1

Y	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2

Z	Gross req	nothing	nothing	nothing	nothing	nothing	nothing	nothing
	Order release	nothing	nothing	nothing	nothing	nothing	nothing	nothing	2