Custom Computers, Inc. assembles custom home computer systems. The heat sinks needed are bought for $12 each and are ordered in quantities of 1300 units. Annual demand is 5200 heat sinks, the annual inventory holding cost rate is $3 per unit, and the cost to place an order is estimated to be $50. What is the average inventory level under the economic order quantity policy? What is the number of orders placed per year under the economic order quantity policy? What is the total annual ordering cost under the economic order quantity policy? What is the total annual holding cost under the economic order quantity policy? What is the total annual cost under the economic order quantity policy?