A firm orders on average 400 wheels each month. Demand is normally distributed with standard deviation of the monthly demand being 20 wheels. The ordering cost is $8 per order. The cost to buy one wheel is $4 per wheel. Annual carrying costs are 50% of unit cost. The supplier lead time is 2 operating days. The firm operates 240 days per year, in other word, the firm operates 20 days each month. Each order is received from the supplier in a single delivery. There are no quantity discounts. 1h. What is the standard deviation of demand during lead time period?
A firm orders on average 400 wheels each month. Demand is normally distributed with standard deviation of the monthly demand being 20 wheels. The ordering cost is $8 per order. The cost to buy one wheel is $4 per wheel. Annual carrying costs are 50% of unit cost. The supplier lead time is 2 operating days. The firm operates 240 days per year, in other word, the firm operates 20 days each month. Each order is received from the supplier in a single delivery. There are no quantity discounts. 1h. What is the standard deviation of demand during lead time period?
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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A firm orders on average 400 wheels each month. Demand is
1h. What is the standard deviation of demand during lead time period?
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