An inventory model for deteriorating items with imperfect quality under advance payment policy

In the business world, it is generally observed that supplier gives cash discount due to advance payment. The buyer may either pay off total purchase cost or a fraction of before receiving products. If makes full payment then he receives instantly. pays cost, (s)he while paying remaining amount at time lot. Moreover, in most inventory models, assumed delivered lot contains only perfect items. But reality, presence imperfect items received cannot be overlooked as will affect profit system. Thus, study models considering model more realistic and, has much attention from managers. This paper develops jointly considers quality and concept scheme (full partial). objective determine optimal ordering quantity order maximise necessary theoretical results showing existence global maximum derived. illustrated with help numerical examples, sensitivity analysis carried out on some important system parameters see effects shows beneficial for buyer.