Question 2 (10 points): The finished product A is composed by I unit of B and 2

Question

Question 2 (10 points): The finished product A is composed by I unit of B and 2 umits of C. Each B uses 2 units of D and 3 units of E. Each C requires 1 unit of D and 2 units of F. a). Please draw the product structure tree (2pts). b). Please draw a time phased product structure by using the lead times shown in the table below. The finished product A is delivered in week 8 (2pts). c). Based on the following master production plan for A and inventory file and lead time file, develop a net requirements plan (MRP) for A, B. C, D, E and F by using lot- for-lot technique (6pts) Master production schedule for A Period Demand 10 120 40 60 80 Inventory and lead time file Inventory on hand 50 20 15 Item 30 15

Explanation / Answer

The product and material requirements are as follows:

Product Requirement On hand Order A 300 50 250 B 300 20 280 C 600 15 585 D 1200 0 1200 E 900 30 870 F 1200 15 1185

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