Exercise 20.6 (Algorithmic) Ordering and Carrying Costs Ottis, Inc., uses 507,210 plastic housing units each year in its production of paper shredders. The cost of placing an order is $29. The cost of holding one unit of inventory for one year is $19. Currently, Ottis places 159 orders of 3,190 plastic housing units per year. Required: 1. Compute the annual ordering cost. $ 2. Compute the annual carrying cost. $ 3. Compute the cost of Ottiss current inventory policy. $