Date of Publication :15th March 2024

Abstract: During the course of this research, the instantaneous economic order quantity model is investigated. This model entails calculating the proportion of units that are lost as a result of deterioration in an existing inventory. In addition to this, it takes into account the expenses that are connected to promotional efforts and changeable ordering. Through the process of determining, the goal is to maximize the net profit that is generated from the transaction, taking into account the quantity ordered, the factor of promotional activity, the length of the cycle, and the quantity of units lost to deterioration. It has been demonstrated through research that there is a single perfect replenishment plan that can be universally applied to whatever number of replenishment cycles that are being studied. The net profit function's concavity is also taken into consideration when developing a mathematical model for the purpose of dete rmining important factors associated to it. A number of numerical examples that illustrate the advantages for the retailer are included in the model that has been proposed. It is very important to implement this strategy in order to solve the problem of waste for thin gs that are deteriorating. In addition, the ideal solution is put through sensitivity studies in relation to the main parameters, and a comparative analysis of a large number of EOQ models that are related to it is carried out.

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