A manufacturing company produces two products X and Y. Each product X requires one A and two Bs. Each B requires one C and one D. Each product Y requires 1 C and 4Ds. Table Q5A shows data from the inventory records of components.  Table Q5A Data category           A B  C D Lot - sizing rule Fixed order quantity = 250 Lot for lot Lot for lot Fixed order quantity = 1000 Lead time 3 weeks 2 weeks  1 week 2 weeks Beginning inventory 70 0 200 800 The MPS for products X and Y is given in Table Q5B. The on-hand inventories are as follows: X = 100, Y = 30. The only scheduled receipts are 250 units of X in period 2.The lead times are as follows: X = 2 weeks, Y = 3 weeks. The chase strategy is used for both products. Table Q5B                                                                                    Demand in period Product SS 1 2 3 4 5 6 7 8 X 50     300     200   250 Y 30             400   Required: a) Draw a product structure tree for each product. b) Develop the MRP for items X, Y, A, B, C, and Din order to meet the demand. Use the MRP format showing the following; Gross requirements, Net requirements and Planned order releases.

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A manufacturing company produces two products X and Y. Each product X requires one A and two Bs. Each B requires one C and one D. Each product Y requires 1 C and 4Ds. Table Q5A shows data from the inventory records of components. 

Table Q5A

Data category        
  A C D
Lot - sizing rule Fixed order quantity = 250 Lot for lot Lot for lot Fixed order quantity = 1000
Lead time 3 weeks 2 weeks  1 week 2 weeks
Beginning inventory 70 0 200 800

The MPS for products X and Y is given in Table Q5B. The on-hand inventories are as follows: X = 100, Y = 30. The only scheduled receipts are 250 units of X in period 2.The lead times are as follows: X = 2 weeks, Y = 3 weeks. The chase strategy is used for both products.

Table Q5B

                                                                                   Demand in period

Product SS 1 2 3 4 5 6 7 8
X 50     300     200   250
Y 30             400  

Required:

a) Draw a product structure tree for each product.

b) Develop the MRP for items X, Y, A, B, C, and Din order to meet the demand. Use the MRP format showing the following; Gross requirements, Net requirements and Planned order releases.

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