Appliance for Less is a local appliance store, It costs this store $18.62 per unit annually for storage, insurance, etc., to hold microwave in their inventory. Sales this year are anticipated to be 528 units. Each order costs $81. The company is using Economic Order Quantity model in placing the orders. What is the average inventory held during the year including safety stock if the store insists on a 6 days safety stock (assume 365 days a year)? (Round the answer to the whole number)