The heat sinks needed are bought for $14 each and are ordered in quantities of 1200 units. Annual demand is 6200 heat sinks, the annual inventory holding cost rate is $2 per unit, and the cost to place an order is estimated to be $60. Calculate the following: (18 points-3 points each) 12) Economic order quantity (EOQ)= 13) Average inventory level= 14) The number of orders placed per year= 15) The total annual inventory holding cost= 16) The total annual ordering cost= 17) The total annual cost=