Question
Problem L You work for a landscaping company. You need four poles and 2 cubic yards...
Problem L
You work for a landscaping company.
You need four poles and 2 cubic yards of mulch for every tree that is planted.
Calculate the Material Requirements Plan below.
The beginning inventory for each item has been given.
|
Week |
Beg. Inv. |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|
|
Quantity |
72 |
65 |
30 |
64 |
||||||
|
Tree Lead Time = 1 wk Lot for Lot |
Gross Requirements |
|||||||||
|
Scheduled Receipts |
||||||||||
|
Projected On-Hand |
2 |
|||||||||
|
Net Requirements |
||||||||||
|
Planned Order Receipts |
||||||||||
|
Planned Order Releases |
||||||||||
|
Poles Lead Time = 1 wk Lot Size of 12 |
Gross Requirements |
|||||||||
|
Scheduled Receipts |
||||||||||
|
Projected On-Hand |
14 |
|||||||||
|
Net Requirements |
||||||||||
|
Planned Order Receipts |
||||||||||
|
Planned Order Releases |
||||||||||
|
Mulch (in cubic yards) Lead Time = 1 wk Lot-Size of 9 |
Gross Requirements |
|||||||||
|
Scheduled Receipts |
||||||||||
|
Projected On-Hand |
9 |
|||||||||
|
Net Requirements |
||||||||||
|
Planned Order Receipts |
||||||||||
|
Planned Order Releases |
Homework Answers
Answer #1
Find the MRP answer shown below.
We need to remember a few points.
- The net requirement for a period is the gross requirement – on hand inventory of previous period.
- The on hand inventory for current period is the planned order receipt + scheduled receipt – net requirement
- Planned order receipt should be in multiple of lot size. The value should exceed the net requirement if it cannot match
- Planned order release will be the lead time ahead of the planned order receipt.
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