One unit of A is made of three units of B, one unit of C, and two units of D. B
ID: 355778 • 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 55, 55, and 200 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, 60 units of E in Week 1, and also 50 units of F in Week 1. There are no other scheduled receipts. If 32 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 = 55 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 = 55 Gross requirements Scheduled receipts Projected available balance Net requirements Planned order receipts Planned order releases Item E
OH = 50
LT = 1
SS = 0
Q = 200 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 32 32 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 22 Planned order receipts 0 0 0 0 0 0 0 22 Planned order releases 0 0 0 0 0 22 0 0 C, LT - 1, Lot - 55 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 0 0 22 0 0 22 Scheduled Receipts 0 0 0 0 0 0 0 0 Projected On Hand 10 10 10 10 10 10 43 43 43 Net requirements 0 0 0 0 0 12 0 0 Planned order receipts 0 0 0 0 0 55 0 0 Planned order releases 0 0 0 0 55 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 55 66 0 0 121 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 45 66 0 0 Planned order receipts 0 0 0 0 45 66 0 0 Planned order releases 0 0 0 45 66 0 0 0 D, LT - 2, Lot - 55 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 45 66 44 0 0 155 Scheduled Receipts 0 0 0 0 0 0 0 0 Projected On Hand 0 0 0 0 10 54 10 10 10 Net requirements 0 0 0 45 56 0 0 0 Planned order receipts 0 0 0 55 110 0 0 0 Planned order releases 0 55 110 0 0 0 0 0 E, LT - 1, Lot - 200 On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 90 242 0 0 0 332 Scheduled Receipts 60 0 0 0 0 0 0 0 Projected On Hand 50 110 110 110 20 178 178 178 178 Net requirements 0 0 0 0 222 0 0 0 Planned order receipts 0 0 0 0 400 0 0 0 Planned order releases 0 0 0 400 0 0 0 0 F, LT - 1, Lot - L4L On Hand 1 2 3 4 5 6 7 8 Total Gross Requirements 0 0 0 400 0 0 0 0 400 Scheduled Receipts 50 0 0 0 0 0 0 0 Projected On Hand 160 210 210 210 0 0 0 0 0 Net requirements 0 0 0 190 0 0 0 0 Planned order receipts 0 0 0 190 0 0 0 0 Planned order releases 0 0 190 0 0 0 0 0Related Questions
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