A cell phone manufacturer is preparing its inventory and production schedule. A key element is installing a SIM card into each phone. Demand has been averaging 217 cards per week. Holding costs are $0.02 per card per week, and reorder costs are estimated at $15 per order.   The manufacturer does not want to be out of stock on more than 1% of their orders. There is a one-day delivery time. The standard deviation of demand is five cards per day. Assume a normal distribution of demand during lead time and a seven-day work week. What is the total variable weekly cost including safety stock cost?   $11.65 $12.55 $13.05 $14.45

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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A cell phone manufacturer is preparing its inventory and production schedule. A key element is installing a SIM card into each phone. Demand has been averaging 217 cards per week. Holding costs are $0.02 per card per week, and reorder costs are estimated at $15 per order.
 
The manufacturer does not want to be out of stock on more than 1% of their orders. There is a one-day delivery time. The standard deviation of demand is five cards per day. Assume a normal distribution of demand during lead time and a seven-day work week. What is the total variable weekly cost including safety stock cost?
 
$11.65
$12.55
$13.05
$14.45
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