. Currently, they order 110 items with each order. Argue if this order quantity is a good choice or if it should be changed? b. Assume a lead time of 1 week and Service Level of 95%. What would you recommend as a safety stock? c. If you change the lead time to 6 days, does the safety stock increase or decrease? Explain your answer.

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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Question 5: Inventory Management 

2) A company plans to have their order strategy evaluated. The current demand is normal distributed with ~N(6267, 385) every four weeks, the cost for each order is of AUD 15 per order, the annual holding cost factor is 10% and the price per unit is AUD 21. Assume that the year has 52 weeks.

a. Currently, they order 110 items with each order. Argue if this order quantity is a good choice or if it should be changed?

b. Assume a lead time of 1 week and Service Level of 95%. What would you recommend as a safety stock?

c. If you change the lead time to 6 days, does the safety stock increase or decrease? Explain your answer. 

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