The demand for subassembly S is 140 units in week 7. Each unit of S requires 2 units of T and 1 unit of U. Each unit of T requires1 unit of V, 1 unit of W, and 2 units of X. Finally, each unit of U requires 1 unit 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.

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Suppose that in addition to 140 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. Additionally, a new order has been received for 80 units of S due in week 8. Modify the net material requirements plan to reflect these changes.

Construct a new net material requirements plan

(enter your responses as whole numbers).

Item		Week								Lead Time
		1	2	3	4	5	6	7	8	(weeks)
S	Gross req							nothing	nothing	2
	On hand							nothing	nothing
	Net req							nothing	nothing
	Order receipt							nothing	nothing
	Order release					nothing	nothing

Item	On-Hand Inventory	Item	On-Hand Inventory
S	20	W	25
T	20	X	25
U	30	Y	40
V	20	Z	270

Please do for all Items S-Z!