(1) An architect fim uses an average of 60 boxes of copier paper a day. The firm operates 280 days a year. Storage and handling costs for the paper are $40 a year per box, and its costs approximately S80 to order and receive a shipment of paper (rounding to 2 decimal places). (a) What quantity order size would minimize the total annual inventory cost? (b) Determine the minimum total annual inventory cost. (c) The office manager is currently using an order size of 200 boxes. The partners of the firm expect the office to be managed "in a cost-efficient manner." Would you recommend the manager to use your quantity from part (a) rather than 200 boxes? Justify your answer by determining the total annual inventory cost for 200 boxes: