Document Type : Research Note
College of Business, Chung Yuan Christian University, Chung Li, Taiwan, R. O. C.
Department of International Business Management, Shih Chien University, Taipei, Taiwan, R. O. C
School of Engineering and Sciences, Tecnológico de Monterrey. Ave. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, Nuevo León, México
Recently, an alternative multi-delivery policy into imperfect economic production quantity (EPQ) inventory model with partial rework has been proposed, which considers the number of shipments a fixed and given value. This paper, treating the long-run average costs per unit time as a function of the replenishment lot size and the number of shipments , adopts the differential calculus approach to get the optimal solution of and jointly. In numerical examples, it is illustrated that the solution procedure is simple and accurate.