A well-known coffee shop sells about 300 gallons of its most popular product each week. The estimated cost to store and maintain one gallon of product is $0.50 per week. Each time the coffee shop places an order from its supplier, the following costs are incurred, independent of the size of the order: a $200 delivery fee, $30 unloading and storage, and a $70 transaction fee. Once an order is placed, it arrives exactly 3 work days later. The coffee shop, supplier, and delivery service all operate 7 days per week. a.) What is the optimal (s,Q) policy? b.) What would the (s,Q) policy be if orders were only placed on Fridays with the objective being to cover the demand with no shortages?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 33P: Assume the demand for a companys drug Wozac during the current year is 50,000, and assume demand...
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A well-known coffee shop sells about 300 gallons of its most popular product each week. The estimated cost to store and maintain one gallon of product is $0.50 per week. Each time the coffee shop places an order from its supplier, the following costs are incurred, independent of the size of the order: a $200 delivery fee, $30 unloading and storage, and a $70 transaction fee. Once an order is placed, it arrives exactly 3 work days later. The coffee shop, supplier, and delivery service all operate 7 days per week.

a.) What is the optimal (s,Q) policy?

b.) What would the (s,Q) policy be if orders were only placed on Fridays with the objective being to cover the demand with no shortages?

 

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