1. Solved Problem 1
LLTT == 11
LLTT == 22 LLTT == 33
D (1) E (2) F (1) D (1)
LLTT == 33
A
B (3) C (1)
LLTT == 11
G (1)
LLTT == 33 LLTT == 66
LLTT == 33
If there is no existing
inventory, how many
units of items G, E, and
D must be purchased to
produce five units of end
item A?
5 units of item G
30 units of item E
20 units of item D
LT = Lead time
2. Solved Problem 2
A
LLTT == 22
B (1) C (2)
LLTT == 11 LLTT == 22
D (1)
LLTT == 33
The MPS for product A calls for the assembly
department to begin final assembly according
to the following schedule: 100 units in week 2;
200 units in week 4; 120 units in week 6; 180
units in week 7; and 60 units in week 8.
Develop a material requirements plan for the
next eight weeks for items B, C, and D.
ITEM
DATA CATEGORY B C D
Lot-sizing rule POQ (P=3) L4L FOQ = 500 units
Lead time 1 week 2 weeks 3 weeks
Scheduled receipts None 200 (week 1) None
Beginning (on-hand) 20 0 425
inventory
5. The MPS for product A : 100 units in week 2;
200 units in week 4; 120 units in week 6; 180
units in week 7; and 60 units in week 8.
Item: D Lot size: FOQ = 500 units
Description: Lead time: 3 weeks
1
Gross
requirements 440000
442255
2 3 4 5 6 7 8
Scheduled
receipts
Projected
on-hand
inventory
Planned
receipts
Planned
order
releases
425
Week
2255 2255
240
285 425 305
500
9 10
360 120
500
305 305 360 305
500 500
6. Solved Problem 3
Given the following information, construct a product tree diagram
and develop a material requirements plan that will yield 400 units of
product P at the start of week 7.
