Use mixed integer linear programming to solve the problem regarding the monthly demand. tsuppose that. holdlng cost is applied to the ending inventory. - Develop the mathematical model in the Word document. - Solve the problem in Excel - Develop a plan in the Word document and explain when and how many products should be ordered in order to minimisetthe' total: cost. - Recalculate the optimal value of objective function (total cost with the new assumption that the holding cost is applied to the average inventory (not ending inventory)