Refer to the following product structure tree. At the beginning of Week 7, 100 units of P are to be assembled. Component S is ordered in lot sizes of 300 units, and one such order is scheduled to arrive at the beginning of Week 3. The lead time for assembling Q from S and T is 1 week, and the lead time for S is 2 weeks. There are 60 units of Q and 30 units of S currently in stock. Given this information:

Prepare a material requirements plan for S.

*The "?" in the table represents the blanks*

Product: End Product Low level code: 0 Lead time: 1 week Lot size: L4L	WEEK
	1	2	3	4	5	6	7	8
Gross requirements							?
Scheduled receipts
Projected on-hand inventory	?	?	?	?	?	?	?	?
Net requirements							?
Planned order receipts	?	?	?	?	?	?	?	?
Planned order releases	?	?	?	?	?	?	?	?

Component: Q Low level code: 1 Lead time: 1 week Lot size: L4L	WEEK
	1	2	3	4	5	6	7	8
Gross requirements						?
Scheduled receipts
Projected on-hand inventory	?	?	?	?	?	?	?	?
Net requirements						?
Planned order receipts	?	?	?	?	?	?	?	?
Planned order releases	?	?	?	?	?	?	?	?

Component: S Low level code: 2 Lead time: 2 weeks Lot size: 300	WEEK
	1	2	3	4	5	6	7	8
Gross requirements					?
Scheduled receipts			?
Projected on-hand inventory	?	?	?	?	?	?	?	?
Net requirements					?
Planned order receipts	?	?	?	?	?	?	?	?
Planned order releases	?	?	?	?	?	?	?	?

This is all that was given to me.

Q (3) R (2) S (4) s(4) (2) Q (3) R (2) S (4) s(4) (2)