International Market (IM), a chain of store with international wares, imports decorative boxes  (deco boxes) for indoor plants from Indonesia.  Weekly demand for the deco boxes averages 1,500 across the company.  Each box costs IM $10.  An order of boxes shipped from Indonesia incurs the fixed transportation and delivery cost of $5,000.  IM incurs a holding cost of 25% per year to carry inventory.  Assume 52 weeks in the year.   a) Determine the optimal order quantity for deco boxes at IM.  Determine the ordering and holding costs associate with this ordering policy.   b) Suppose the standard deviation of demand is 800 pots per week.  If the deliver lead time from Indonesia is 9 weeks, and IM wants to provide its customers with a service level of 94%, how much safety stock should the company carry?  What is the additional cost associated with holding this safety stock?   c) X-P-Dite is a new shipping company that promises to reduce the delivery lead time for planters from 9 weeks to 3 weeks using alternative shipping methods and expedited customs clearance.  This new shipping method will cost HG an additional $0.50 per unit.  Should IM go with X-P-Dite?  Why or why not?  Quantify the impact of the change.

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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  1.   International Market (IM), a chain of store with international wares, imports decorative boxes  (deco boxes) for indoor plants from Indonesia.  Weekly demand for the deco boxes averages 1,500 across the company.  Each box costs IM $10.  An order of boxes shipped from Indonesia incurs the fixed transportation and delivery cost of $5,000.  IM incurs a holding cost of 25% per year to carry inventory.  Assume 52 weeks in the year.

 

a) Determine the optimal order quantity for deco boxes at IM.  Determine the ordering and holding costs associate with this ordering policy.

 

b) Suppose the standard deviation of demand is 800 pots per week.  If the deliver lead time from Indonesia is 9 weeks, and IM wants to provide its customers with a service level of 94%, how much safety stock should the company carry?  What is the additional cost associated with holding this safety stock?

 

c) X-P-Dite is a new shipping company that promises to reduce the delivery lead time for planters from 9 weeks to 3 weeks using alternative shipping methods and expedited customs clearance.  This new shipping method will cost HG an additional $0.50 per unit.  Should IM go with X-P-Dite?  Why or why not?  Quantify the impact of the change.

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