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In the first chapter, we have formulated an economic order quantity (EOQ) model for deteriorating items with power demand. Shortages are also taken into account. In the second chapter, an attempt is made to establish optimal order policies when supplier offers a permissible delay in payment considering two types of demand (i) cash- demand and (ii) credit -demand. In the third chapter, three EOQ models for three different holding cost functions have been developed. Since stock dependent consumption rate 'beta' is small, we simplified the model by assuming betat as a small value. In the fourth chapter, we have developed an EOQ model for deteriorating products by assuming rate of demand is quadratic with respect to time. In the fifth chapter , a comparative study is made between without shortage case and with shortage case. We have given the numerical formulation of the problem discussed above and then obtained optimal solution.
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R.P.Tripathi is Professor & Head of Department of Mathematics at Graphic Era University, Dehradun, INDIA. He obtained his Ph.D. degree from DDU Gorakhpur University (UP) INDIA. He has published 80 research papers and six books.
