One unit of A is made of three units of B, one unit of C, and two units of D. B
ID: 355103 • Letter: O
Question
One unit of A is made of three units of B, one unit of C, and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F.
Items B, C, E, and F have one-week lead times; A and D have lead times of two weeks.
Assume that lot-for-lot (L4L) lot sizing is used for Items A, B, and F; lots of size 50, 50, and 175 are used for Items C, D, and E, respectively. Items C, E, and F have on-hand (beginning) inventories of 10, 50, and 160, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in Week 2, 50 units of E in Week 1, and also 40 units of F in Week 1. There are no other scheduled receipts. If 30 units of A are required in Week 8, use the low-level-coded bill of materials to find the necessary planned order releases for all components.
Develop an MRP planning schedule showing gross and net requirements and order release and order receipt dates. (Leave no cells blank - be certain to enter "0" wherever required.)
OH = 0
LT = 2
SS = 0
Q = L4L Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item C
OH = 10
LT = 1
SS = 0
Q = 50 Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item B
OH = 0
LT = 1
SS = 0
Q = L4L Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item D
OH = 0
LT = 2
SS = 0
Q = 50 Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item E
OH = 50
LT = 1
SS = 0
Q = 175 Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item F
OH = 160
LT = 1
SS = 0
Q = L4L Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases
Explanation / Answer
Solution :
A, LT - 2, Lot - L4L On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 0 0 0 0 30 30 Scheduled Receipts 0 10 0 0 0 0 0 0 Projected On Hand 0 0 10 10 10 10 10 10 0 Net requirements 0 0 0 0 0 0 0 20 Planned order receipts 0 0 0 0 0 0 0 20 Planned order releases 0 0 0 0 0 20 0 0 C, LT - 1, Lot - 50 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 0 0 20 0 0 20 Scheduled Receipts 0 0 0 0 0 0 0 0 Projected On Hand 10 10 10 10 10 10 40 40 40 Net requirements 0 0 0 0 0 10 0 0 Planned order receipts 0 0 0 0 0 50 0 0 Planned order releases 0 0 0 0 50 0 0 0 B, LT - 1, Lot - L4L On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 0 50 60 0 0 110 Scheduled Receipts 0 0 0 0 0 0 0 0 Projected On Hand 10 10 10 10 10 0 0 0 0 Net requirements 0 0 0 0 40 60 0 0 Planned order receipts 0 0 0 0 40 60 0 0 Planned order releases 0 0 0 40 60 0 0 0 D, LT - 2, Lot - 50 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 40 60 40 0 0 140 Scheduled Receipts 0 0 0 0 0 0 0 0 Projected On Hand 0 0 0 0 10 0 10 10 10 Net requirements 0 0 0 40 50 40 0 0 Planned order receipts 0 0 0 50 50 50 0 0 Planned order releases 0 50 50 50 0 0 0 0 E, LT - 1, Lot - 175 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 80 220 0 0 0 300 Scheduled Receipts 50 0 0 0 0 0 0 0 Projected On Hand 50 100 100 100 20 150 150 150 150 Net requirements 0 0 0 0 200 0 0 0 Planned order receipts 0 0 0 0 350 0 0 0 Planned order releases 0 0 0 350 0 0 0 0 F, LT - 1, Lot - L4L On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 350 0 0 0 0 350 Scheduled Receipts 40 0 0 0 0 0 0 0 Projected On Hand 160 200 200 200 0 0 0 0 0 Net requirements 0 0 0 150 0 0 0 0 Planned order receipts 0 0 0 150 0 0 0 0 Planned order releases 0 0 150 0 0 0 0 0Related Questions
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