Net Present Value Maximizing Inventory Analysis with Two Product Types and Credit Facilities
Posted: 2 May 2014 Last revised: 14 Jul 2014
Date Written: April 30, 2014
The classic economic order quantity inventory model assumes that all items received from a seller are perfect in quality. Payment for the items is presumed made at the inventory cycle’s start, when the materials are received. This paper considers a system of inventory control where we receive two types of materials, perfect and less than perfect. In addition, a credit facility in paying for the raw materials exists. The percentage of perfect quality items is assumed to be distributed randomly. A case study illustrates the mathematical model showing the best order quantity.
Keywords: economic order quantity, imperfect quality items, continuous demand, cash discount, permissible delay in payment
JEL Classification: G30
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