Inventory models - techniques of operations research, Operation Research

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Inventory models deal with the problem of determination of how much to order at a point in time and when to place an order. The main objective is to minimize the sum of three conflicting inventory costs. the cost of holding or carrying extra inventory the cost of shortage or delay in the delivery of items when it is needed a cost of ordering or setup. These are also useful in dealing with quantity discounts and selective inventory control.

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