Custom Computers, Inc. assembles custom home computer systems. The heat sinks needed are bought for $12 each and are ordered in quantities of 1,300 units. Annual demand is 5,100 heat sinks, the annual inventory holding cost rate is $4 per unit, and the cost to place an order is estimated to be $58. Calculate average inventory level. units LINK TO TEXT Calculate number of orders placed per year. orders (Round your answer to 2 decimal places, the tolerance is +/-0.01.) LINK TO TEXT Calculate total annual inventory holding cost. $ LINK TO TEXT Calculate total annual ordering cost. $ (Round your answer to 2 decimal places, the tolerance is +/-0.08.) LINK TO TEXT Calculate total annual cost. $ (Round your answer to 2 decimal places, the tolerance is +/-0.08.)