Speedy, Inc. is a company that produces automotive electrical components. Al51 is a common part for all its products. Consider the following gross requirements and inventory data for AISI part: Week 2 3 6 Gross requirements 30 40 30 70 20 Inventory Data Lead time Beginning inventory Schaduled receipts Holding cost |Setup cost 1 week 40 $2.50 unit'week S150 Based on the LAL lot-sizing rale, develop a Material Requirements Plan (MRP) for the next 8 weeks for A151 part. () Item: Al51 Lot size: LAL Lead time: 1 Gross Requirements Scheduled Receipts On Hand Inventory Net Requirements Planned Order Receipts Planned Order Releases Week 3 6. (1) Based on the FOQ - 57 units lot-sizing rule, develop a Material Requirements Plan (MRP) for the next 8 weeks for A15I part. Item: AIS1 Lot size: FOQ 57 Lead time: 1 Week 2 3 5 Gross Requirements Scheduled Receints On Hand Inventory Net Requirements Planned Order Receipts Planned Order Releases

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter3: Introduction To Optimization Modeling
Section3.8: A Multiperiod Production Model
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1. Speedy, Inc. is a company that produces automotive electrical components. AI5I is a
common part for all its products. Consider the following grass requirements and inventory
data for AISI part:
Week
3
6
7
Grass requirements
40
30
30
70
20
Inventory Data:
Lead time
Beginning inventorry
Scheduled receipts
Holding cost
Setup cost
1 week
40
$2.50/unit/week
S150
Based on the L4L. lot-sizing rule, develop a Material Requirements Plan (MRP) for the next
8 weeks for A15I part.
Item: A151
Week
5
Lot size: L4L
1
2
4
7
8
Lead time: 1
Gross Requirements
Scheduled Receipts
On Hand Inventory
Net Requirements
Planned Order Receipts
Planned Order Releases
(ii)
Based on the FOQ - 57 units lot-sizing rule, develop a Material Requirements Plan (MRP)
for the next 8 weeks for A151 part.
Item: A151
Lot size: FOQ 57
Lead time: 1
Gross Requirements
Scheduled Receipts
On Hand Inventory
Net Requirements
Planned Order Receipts
|Planned Order Releases
Week
1
2
4
5
7
8
Transcribed Image Text:1. Speedy, Inc. is a company that produces automotive electrical components. AI5I is a common part for all its products. Consider the following grass requirements and inventory data for AISI part: Week 3 6 7 Grass requirements 40 30 30 70 20 Inventory Data: Lead time Beginning inventorry Scheduled receipts Holding cost Setup cost 1 week 40 $2.50/unit/week S150 Based on the L4L. lot-sizing rule, develop a Material Requirements Plan (MRP) for the next 8 weeks for A15I part. Item: A151 Week 5 Lot size: L4L 1 2 4 7 8 Lead time: 1 Gross Requirements Scheduled Receipts On Hand Inventory Net Requirements Planned Order Receipts Planned Order Releases (ii) Based on the FOQ - 57 units lot-sizing rule, develop a Material Requirements Plan (MRP) for the next 8 weeks for A151 part. Item: A151 Lot size: FOQ 57 Lead time: 1 Gross Requirements Scheduled Receipts On Hand Inventory Net Requirements Planned Order Receipts |Planned Order Releases Week 1 2 4 5 7 8
(iii) Based on the POQ = 3 lot-sizing rule, develop a Material Requirements Plan (MRP) for
the next 8 weeks for A151 part.
Item: A151
Lot size: POQ = 3
Lead time: 1
Gross Requirements
Scheduled Receipts
On Hand Inventory
Net Requirements
Planned Order Receipts
Planned Order Releases
Week
1
2
3
5
6.
8.
(iv) Analyze each of the above plans and determine which lot sizing rule is the cheapest – L4L,
FOQ = 57 or POQ = 3. Show your calculation.
Transcribed Image Text:(iii) Based on the POQ = 3 lot-sizing rule, develop a Material Requirements Plan (MRP) for the next 8 weeks for A151 part. Item: A151 Lot size: POQ = 3 Lead time: 1 Gross Requirements Scheduled Receipts On Hand Inventory Net Requirements Planned Order Receipts Planned Order Releases Week 1 2 3 5 6. 8. (iv) Analyze each of the above plans and determine which lot sizing rule is the cheapest – L4L, FOQ = 57 or POQ = 3. Show your calculation.
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