annual intérest rate. The monthly demand for the filtem standard deviation 70. Order lead time is assumed to be five months. Assume that if a filter is he demand is back-ordered, and the cost assessed for each back-ordered demand is $12.80 Vith Type 2 Service objective of 95 percent. Find the optimal values of (Q, R). 2= 1358 R= 1391

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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QUESTION 9
An automotive warehouse stocks a variety of parts that are sold at neighborhood stores. One particular part, a popular brand of oil filter, is purchased
by the warehouse for $1.50 each. It is estimated that the cost of order processing and receipt is $100 per order. The company uses an inventory
carrying charge based on a 25 percent annual interest rate. The monthly demand for the filter follows a normal distribution with mean 280 and
standard deviation 70. Order lead time is assumed to be five months. Assume that if a filter is demanded when the warehouse is out of stock, then
the demand is back-ordered, and the cost assessed for each back-ordered demand is $12.80.
With Type 2 Service objective of 95 percent. Find the optimal values of (Q, R).
Q= 1358
R= 1391
Transcribed Image Text:QUESTION 9 An automotive warehouse stocks a variety of parts that are sold at neighborhood stores. One particular part, a popular brand of oil filter, is purchased by the warehouse for $1.50 each. It is estimated that the cost of order processing and receipt is $100 per order. The company uses an inventory carrying charge based on a 25 percent annual interest rate. The monthly demand for the filter follows a normal distribution with mean 280 and standard deviation 70. Order lead time is assumed to be five months. Assume that if a filter is demanded when the warehouse is out of stock, then the demand is back-ordered, and the cost assessed for each back-ordered demand is $12.80. With Type 2 Service objective of 95 percent. Find the optimal values of (Q, R). Q= 1358 R= 1391
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