A firm that is a distributor of refrigerators wants to update its stock policy. The projected monthly sales volume of this company is 4000 units. Annual stock holding cost is 1 Turkish Lira. The cost of this company to place an order from the manufacturer is 45 Turkish Liras. As the company works for 280 days a year;

a) Determine the economic order quantity

b) After determining the economic order quantity, determine the number of orders the company will give annually and the order cycle period.

c)Calculate the total cost per year

d)It is determined that the daily order quantity of this company is 200 pieces. Orders are delivered to the firm 10 days after the firm orders a refrigerator from the manufacturer. Determine the company's re-order point