An inventory model for deteriorating item with reliability consideration and trade credit

In todays global market every body want to buy products of high level quality and to achieve a high level product quality supplier have to invest in improving reliability of production process. in present article we have studies reliable production process with stock dependent unit production and holding cost. demand is exponential function of time and infinite production process with non-instantaneous deterioration rate are considered in this paper. whole study has been done under the effect of trade credit. the main objective of this paper is to optimize the total relevant cost for reliable production process. numerical example and sensitivity analysis is given at the end of this paper.