Custom Computers, Inc. assembles custom home computer systems. The heat sinks needed are bought for $12 each and are ordered in quantities of 1.240 units. Annual demand is 4,960 heat sinks, the annual inventory holding cost rate is $4 per unit, and the cost to place an order is estimated to be $45. (a) Calculate the following: (a) Average inventory level units (b) The number of orders placed per year orders (c) Thr total annual inventory holding cost $ (d) The total annual ordering cost $ (e) The total annual cost $ A local nursery, Greens, uses 1.870 bags of plant food annually, Greens works 50 weeks per year. It costs $12 to place in order for plant food. The annual holding cost rate is $6 per bag, Lead time is one week. (a) Calculate the economic order quantity. (Round your answer to 1 decimal place, e3.50.2) Economic order quantity - units Sam's Auto Shop services and repairs a particular brand of foreign automobile. Sam uses oil filters throughout the year. The shop operates 52 weeks per year and weekly demand is 154 filters, Sam estimates that it costs $22 to place an order and his annual holding cost rate is $2 per oil filter. Currently, Sam orders in quantities of 662 filters. (a) Calculate the total annual costs associated with Sam's current ordering policy. (Round your answer to 2 decimal places, e8. 15.12) Total annual costs = $