The first significant objective of this study is that, for the ease of production and resource planning, the rework cycle has to have the same length as the other cycles. The other objective is that the number of rework cycles be as small as possible, because of changeover costs needed for going from normal production to rework as well as special attention required for rework to satisfy the zer...

This paper employs mathematical modeling and algebraic approach to derive the optimal manufacturing batch size and number of shipment for a vendor-buyer integrated economic production quantity (EPQ) model with scrap. Unlike the conventional method by using differential calculus to determine replenishment lot size and optimal number of shipments for such an integrated system, this paper proposes...

Previous studies in the issue of inventory models with imperfect quality assumed the defectives could be sold in a batch by the end of the inspection process and the manufacturing systems were push systems. However, the above assumptions may not be true in the pull system in which buyer is powerful. Therefore, in this paper, we develop a new inventory model for items with imperfect quality and ...

This paper deals with an economic order quantity model where demand is stock dependent. Items received are not of perfect quality and each lot received contains percentage defective imperfect quality items, which follow a probability distribution. Two cases are considered. 1) Imperfect quality items are held in stock and sold in a single batch after a 100 percent screening process. 2) A hundred...

Order processing and inventory management are critical to costs. Therefore, this research aims reduce cost lead time for case study construction material retailer. The objectives 1) the order of retailer; 2) analysis techniques in decision making determine appropriate quantity. 30 employees interviewed collecting data a company raw from January – December, 2021 is used as data. ABC EOQ calculat...

In this paper, we address the problem of deciding the optimal ordering quantity and frequency for a supplier– retailer logistic system in which the transportation cost as well as the multiple uses of the vehicles are considered. Based on the traditional economic order quantity (EOQ) formula, a modified EOQ model is set up and an algorithm for the model is presented. Computational results verify...

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Three samples of 50 undergraduates each completed the Eysenck Personality Questionnaire (EPQ-R), one sample under normal test conditions and two samples under di€erent instructions to fake good. The data con®rm the view that the correlation between neuroticism and lie scale scores provides an index of the motivation to fake good within di€erent samples. # 1998 Elsevier Science Ltd. All rights r...