The Bloomington Bike Company produces two models: the Basic and the Supra. Herb
ID: 446277 • Letter: T
Question
The Bloomington Bike Company produces two models: the Basic and the Supra. Herb Hoosier, the owner, plans to assemble 15 Basics and 10 Supras each week during periods 4 to 8.Product structure trees for each bike are shown below:
Develop a materials requirement plan (MRP) for component parts K and W over the next eight weeks. Data on all lead times, current inventory and ordering rules are given below: Scheduled receipts are: Period 1: 20 B’s, 18 W’s; Period 2: 20 S’s, 15 F’s. A sample MRP table is provide below.
ITEM
LEADTIME (WKS)
ON HAND
LOT-SIZING RULE
B
2
5
Lot-for-lot
S
2
2
Lot-for-lot
X
1
5
Q = 25
W
2
2
Multiples of 12
F
1
10
Q = 30
K
1
3
Lot-for-lot
Q
1
15
Q = 30
M
1
0
Lot-for-lot
Explanation / Answer
K
Particulars 1 2 3 4 5 6 7 8
Gross requirements 0 0 0 25 25 25 25 25
Schedule receipts 15 15 15 15 15 15 15 15
Projected on hand 0 0 0 2 2 2 2 2
Net requirements 0 0 0 23 23 23 23 23
Planned order receipt 0 0 0 0 0 0 0 0
Planned order release 0 0 0 1 1 1 1 1
_______________________________________________________________
W
Particulars 1 2 3 4 5 6 7 8
Gross requirements 0 0 0 25 25 25 25 25
Schedule receipts 20 20 20 20 20 20 20 20
Projected on hand 0 0 0 3 3 3 3 3
Net requirements 0 0 0 22 22 22 22 22
Planned order receipt 0 0 0 0 0 0 0 0
Planned order release 0 0 0 2 2 2 2 2
________________________________________________________________
Note:
Gross requirements - Projected on hand = Net requirements
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