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One unit of A is made of three units of B, one unit of C, and...

One unit of A is made of three units of B, one unit of C, and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F. Items B, C, E, and F have one-week lead times; A and D have lead times of two weeks. Assume that lot-for-lot (L4L) lot sizing is used for items A, B, and F; lots of size 50, 50, and 200 are used for Items C, D, and E, respectively. Items C, E, and F have on-hand (beginning) inventories of 10, 50, and 150, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in week 2, 50 units of E in week 1, and also 50 units of F in week 1. There are no other scheduled receipts. a. Draw a Product Structure Tree for Product A. b. If 30 units of A are required in week 8, find the necessary planned-order releases for all components.

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