An electronics retailer carries a particular cellular telephone with the following characteristics:Average monthly sales = 120 unitsOrdering cost = $25 per orderCarrying cost = 35 percent per yearItem cost = $300 per unitLead time = 4 daysStandard deviation of daily demand = .2 unitWorking days per year = 250a. Determine the EOQ.b. Calculate the reorder point for a 92 percent service level, assuming normally distributed demand.c. Design a Q system for this item.d. What happens to the reorder point when the lead time changes? What happens to the reorder point when the standard deviation of demand changes?

Purchasing and Supply Chain Management
6th Edition
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Chapter16: Lean Supply Chain Management
Section: Chapter Questions
Problem 10DQ: The chapter presented various approaches for the control of inventory investment. Discuss three...
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An electronics retailer carries a particular cellular telephone with the following characteristics:
Average monthly sales = 120 units
Ordering cost = $25 per order
Carrying cost = 35 percent per year
Item cost = $300 per unit
Lead time = 4 days
Standard deviation of daily demand = .2 unit
Working days per year = 250
a. Determine the EOQ.
b. Calculate the reorder point for a 92 percent service level, assuming normally distributed demand.
c. Design a Q system for this item.
d. What happens to the reorder point when the lead time changes? What happens to the reorder point when the standard deviation of demand changes?

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