Retailers Warehouse (RW) is an independent supplier of household items to department stores. RW attempts to stock enough items for a 98 percent service probability. A stainless steel knife set is one item it stocks. Demand (2,400 sets per year) is relatively stable over the entire year. Whenever new stock is ordered, a buyer must assure that numbers are correct for stock on hand and then phone in a new order. The total cost involved to place an order is about $5. RW figures that holding inventory in stock and paying for interest on borrowed capital, insurance, and so on adds up to about $4 holding cost per unit per year. Analysis of the past data shows that the standard deviation of demand from retailers is about four units per day for a 365-day year. Lead time to get the order is seven days. a. What is the economic order quantity? b. What is the reorder point?

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
ChapterC: Cases
Section: Chapter Questions
Problem 5.1SC: Scenario 3 Ben Gibson, the purchasing manager at Coastal Products, was reviewing purchasing...
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Retailers Warehouse (RW) is an independent supplier of household items to
department stores. RW attempts to stock enough items for a 98 percent service
probability.
A stainless steel knife set is one item it stocks. Demand (2,400 sets per
year) is relatively stable over the entire year. Whenever new stock is
ordered, a buyer must assure that numbers are correct for stock on hand
and then phone in a new order. The total cost involved to place an order is
about $5. RW figures that holding inventory in stock and paying for
interest on borrowed capital, insurance, and so on adds up to about $4
holding cost per unit per year.
Analysis of the past data shows that the standard deviation of demand
from retailers is about four units per day for a 365-day year. Lead time to
get the order is seven days.
a. What is the economic order quantity?
b. What is the reorder point?

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