Answer only c

I uploaded another question for a,b Please answer only c

per order. 3. A company uses an average of 50 boxes of office supplies a day. The company operates 270 days a year. It cost the company around $ 65 The storage cost is $35 per year per box. a) (2 Marks) What order size would minimize the sum of annual ordering and carrying costs? b) (2 Marks) Compute the total annual cost using your order size from part a. c) (4 Marks) The office manager is currently using an order size of 350 boxes. The partners of the firm expect the office to be managed in a cost-efficient manner. Would you recommend that the office manager use the optimal order size instead of 350 boxes? Justify your