Williston Technologies wishes to use MRP methodology to develop a plan for the next 10 weeks. Williston Technologies has gathered the following information:

A

B C

D

Current Inventory Records

Item	Lead Time (weeks)	Lot Size	On Hand Inventory
A	1	LFL	100
B	2	25	0
C	3	30	150
D	2	100	200

Master Production Schedule

Item	Week 1	Week 2	Week 3	Week 4	Week 5	Week6	Week7	Week 8	Week 9	Week 10
A	0	0	0	0	20	0	250	0	0	500

Please answer the following three questions, including the one below, based on this information.

Part A: (6 points): According to an MRP schedule, which of the following is (are) planned order releases during the next 10 weeks?

I. A planned order release for 170 A's in Week 7.

II. A planned order release for 175 B's in Week 4.

III. A planned order release for 30 C's in Week 3.

Part B: (4 points): How many B's are in inventory at the end of week 7?

Part C: (4 points): How many D's are in inventory at the end of week 7?

Part D (6 points): Which of the following is (are) true, concerning week 7 of the MRP schedule?

I. 500 of Item B are ordered (Planned Order Releases).

II. There's a Gross Requirement of 500 for Item D.

III. There is an inventory level of 10 units for Item C throughout that week.