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Principles of Supply Chain Management LGMT 444
Problem Set 4
1. Apply ABC analysis for the following items:
Item Number | Item Cost
($) |
Annual Usage
(Unit) |
A111 | 4.0 | 2,500 |
B111 | 1.5 | 7,500 |
C111 | 0.25 | 4,000 |
D111 | 2.0 | 1,300 |
E111 | 55 | 850 |
F111 | 5.5 | 2,000 |
G111 | 0.75 | 800 |
H111 | 1.7 | 6,000 |
I111 | 24 | 1,100 |
J111 | 4 | 3,500 |
K111 | 3.7 | 1,900 |
L111 | 16 | 1,200 |
2. Weekly demand for a product is 250 units with a standard deviation of 60 units (assume 52 weeks per year). Lead-time is 3 weeks. Calculate the safety stock and the reorder point for 98 percent service level.
3. Using the data below, find the EOQ, the total annual cost associated with the economic order quantity, the reorder point, number of orders per year and the time between orders.
Annual Demand | 15,600 units |
Weeks Operating | 52 weeks/year |
Set up Cost | $60/order |
Holding rate | 20% |
Unit cost | $80 /unit |
Lead-Time | 5 weeks |
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