Find the optimal order quantity of leaflet and the minimized total cost of ordering and carrying. Determine the time (in month) between two consecutive orders. Determine the required safety stock and reorder point to achieve a 97% service level. (Round up to the nearest integer where reasonable and appropriate.)

Purchasing and Supply Chain Management
6th Edition
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Chapter16: Lean Supply Chain Management
Section: Chapter Questions
Problem 10DQ: The chapter presented various approaches for the control of inventory investment. Discuss three...
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A travel agency has a branch in Tsim Sha Tsui. The number of leaflets distributed to customers at the branch is normally distributed with a mean of 60 copies and a standard deviation of 15 copies each day. The branch operates 300 days per year. The cost of each leaflet is $4 and the carrying cost of each leaflet is 20% per year. The leaflets are supplied by a print shop with a fixed set up cost of $250 per order placement. The delivery leadtime is 6 days.

  1. Find the optimal order quantity of leaflet and the minimized total cost of ordering and carrying.
  2. Determine the time (in month) between two consecutive orders.
  3. Determine the required safety stock and reorder point to achieve a 97% service level. (Round up to the nearest integer where reasonable and appropriate.)
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