reliance trends sells 275 units per month of shoes . the unit cost of a shoe is rs3.50 and the cost of placing an order has been estimated to be rs22. Reliance trends uses an inventory carrying charge of 25%per year. determine the optimal order quantity, order frequency, and the annual cost of inventory management. if through automation of the purchasing process,the ordering cost can be cut to rs10, what will be the new economic order quantity, order frequency, and annual inventory management cost? explain these results