11. An assistant manager is revlewing the costs associated with one of the store's better-solling products. the data are avalitable as follows. Demand =450 units/year Order cost =$30/ order Holding cost =60t/unlt/year a. They currently order 450 units per order. What is the total annual ordering cost and holding cost for this order size? f10 Marks] b. What would be the EOQ and its associated ordering and holding costs? [10 Marks]