CHAPTER 12 QUESTIONS - Problem 12-7 Eighty units of end item X are needed at the beginning of week 6 and another 30 units are needed at the beginning of

CHAPTER 12 QUESTIONS - Problem 12-7 Eighty units of end...

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Problem 12-7 Eighty units of end item X are needed at the beginning of week 6, and another 30 units are needed at the beginning of week 8. Prepare a material requirements plan for component D. D can only be ordered in whole cases (50 units per case). One case of D is automatically received every other week, beginning in week 1 (i.e., weeks 1, 3, 5, 7). Also, there are 30 units of B and 20 units of D now on hand. Lead times for all items are a function of quantity: one week for up to 100 units, two weeks for 101 to 200 units, three weeks for 201 to 300 units, and four weeks for 301 or more units. (Leave no cells blank - be certain to enter "0" wherever required.) Part D Beg. Inv. 1 2 3 4 5 Gross requirements 0 0 0 260 0 240 Scheduled receipts 0 50 0 50 0 50 On hand 20 70 70 120 10 60 Net requirements 0 0 0 140 0 180 Planned-order receipt 0 0 0 150 0 200 Planned-order release 0 150 0 200 0 100 Problem 12-9 Assume that you are the manager of a shop that assembles power tools. You have just received an order for 55 chain saws, which are to be shipped at the start of week 8. Pertinent information on the saws is Item Lead Time (weeks) On Hand Components Saw 2 15 A(2), B(1), C(4) A 1 10 E(3), D(1) B 2 5 D(2), F(3) C 2 65 E(2), D(2) D 1 20 E 1 10 F 2 30 b. Develop the material requirements plan for component E using lot-for-lot ordering. (Leave no cells blank - be certain to enter "0" wherever required.) Item: E(3) & E(2) LT = 1 wk. Beg. Inv. 1 2 3 4 5 Gross requirements 0 0 0 0 190 210 Scheduled receipts Projected on hand 10 10 10 10 10 0 Net requirements 0 0 0 0 180 210
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Planned order receipt 0 0 0 0 180 210 Planned order release 0 0 0 180 210 0 Problem 12-12 A firm that produces electric golf carts has just received an order for 200 carts, which must be ready for delivery at the start of week 8. Information concerning the product structure, lead times, and quantities on
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  • Summer '16
  • dr. jose perez
  • Decision Making, Harshad number, Capacity utilization, Gross Requirements, Net requirements, planned order

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