Abstract and Applied Analysis
Volume 2010 (2010), Article ID 878645, 8 pages
Research Article

Technical Note on (Q,r,L) Inventory Model with Defective Items

1Department of Information Management, Central Police University, Takang Village, Kueishan Hsiang, Taoyuan County 33304, Taiwan
2Department of Finance, Chihlee Institute of Technology, Taipei County 22050, Taiwan
3Department of Information Management, Chang Gung University, Taoyuan County 33302, Taiwan

Received 15 January 2010; Revised 7 May 2010; Accepted 23 August 2010

Academic Editor: Ferhan M. Atici

Copyright © 2010 Cheng-Tan Tung et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Under a reasonable assumption, we derive an analytical approach that verifies uniqueness of the optimal solution for stochastic inventory models with defective items. Our approach implies a robust method to find the optimal solution.