Smed Ajax Corporation is trying to improve its inventory control system and has installed an online computer at its retail stores. Ajax anticipates sales of 121,500 units per year, an ordering cost of $12 per order and carrying costs of $160 per unit. Q. What is the economic ordering quantity? Economic ordering quantity units b. How many orders will be placed during the year? Number of orders orders c. What will the average inventory be? Average inventory units d. What is the total cost of ordering and carrying inventory? Total cost