1.Speedy, Inc. is a company that produces automotive electrical components. A151 is acommon part for all its products. Consider the following gross requirements and inventorydata for A151 part:Week[Gross requirements1345673040307020Inventory Data:Lead timeBeginning inventoryScheduled receiptsHolding cost[Setup cost1 week40$2.50/unit/week$150(i)Based on the L4L lot-sizing rule, develop a Material Requirements Plan (MRP) for the next8 weeks for A151 part.Item: A151WeekLot size: L4L3468Lead time: 1Gross RequirementsScheduled ReceiptsOn Hand InventoryNet RequirementsPlanned Order ReceiptsPlanned Order Releases

MRP stands for material requirements planning, and it is a technique for determining the materials…

Answered: L4L lol-sizng rule, develop a Material…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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b. Suppose that the MPS for the end item isWeek 30 31 32 33 34 35MPS 165 180 300 220 200 240If production is scheduled on a lot-for-lot basis, find the planned order releasefor component F
8. Ajax produces two basic products called A and B. Each week, Paul, the owner, plans to assemble 20 product As and 8 product Bs. a. Given this information and the following product structure diagrams for A and B, fill out the MRP records (inventory status files) for component parts G and Y for the next seven weeks. X A Part G Gross requirements Y Scheduled receipts Projected available balance Planned order release Q = lot for lot; LT = 1; SS=0. 0 Y (2 required) G 10 B Z F Week 1 2 3 4 5 6 7 Part Y Gross requirements Scheduled receipts Projected available balance 67 Planned order release 1 10 Week 23 4 5 6 7 Q=lot-for-lot; LT=2; SS=0. b. Suppose 10 units of safety stock are required for part Y. What changes would result in the records? Would the MRP system produce any exception messages?
4.11 Given the following product tree, complete the MRP records for parts X, Y, and Z. Note that parts X and Y have specified order quantities. Y(3) Z(1) W(1) Part X Week Gross Requirements Scheduled Receipts Lead Time: 1 week Projected Available 10 Net Requirements Planned Order Receipt Planned Order Release Part Y Gross Requirements Scheduled Receipts Lead Time: 2 weeks Projected Available 30 Net Requirements Lot Size: 50 Planned Order Receipt Part J Planned Order Release Gross Requirements Scheduled Receipts Lead Time: 1 week Projected Available Net Requirements Lot Size: lot-for-lot Planned Order Receipt Part K Planned Order Release Gross Requirements Scheduled Receipts Lead Time: 1 week Projected Available Lot Size: 400 Net Requirements Planned Order Receipt Planned Order Release Z(2) 1 2 3 4 5 285 15 5 15 10 10 15 20 50
A factory has just received an order for 95 units of an end item, which are to be shipped at the start of week 8. Relevant information of the end item and the components is as follows. Lead Time On Hand Scheduled Item Order Direct (weeks) Inventory receipts Policy Components End item 15 lot for lot A(3), B(2) A 2 10 33 at week 3 lot for lot C(1), D(4) B. 2 20 15 at week 4 lot for lot D(2) min. of 500 lot for lot 100 20 Develop the material requirements plan (please print out an empty MRP table to work with), and determine how many units of component Care needed in the "planned order release". Input should be an exact number.
14. Using the accompanying diagram, do the following: a. Draw a tree diagram for the scissors. b. Prepare an MRP plan for scissors. Lead times are one day for each component and final scissor assembly, but two days for the plastic grips. Six hundred pairs of scissors are needed on day 6. Note: There are 200 straight blades and 350 bent blades on hand, and 40 top blade assemblies on hand. Use lot-for-lot ordering for all items. Bent plastic grip Top Straight blade Bottom 0 Straight plastic grip Bent blade N
The MRP gross requirements for Item X are shown here for the next 10 weeks. Lead time for A is two weeks, and setup cost is $10. There is a carrying cost of $0.02 per unit per week. Beginning inventory is 72 units. WEEK 1 2 3 4 5 6 7 8 9 10 Gross requirements 21 12 15 45 10 30 100 20 40 150 Use the least total cost lot-sizing method to determine when and for what quantity the first order should be released. Least total cost method indicates that periods units should be ordered to cover the needs for

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L4L lol-sizng rule, develop a Material Requirements Plan (MRP) Jor the n 8 weeks for A151 part. Item: A151 Week Lot size: L4L 4 5 6. 7 8 Lead time: 1 Gross Requirements Scheduled Receipts On Hand Inventory Net Requirements Planned Order Receipts Planned Order Releases