William Beville's computer training school, in Richmond, stocks workbooks with the following characteristics: Demand D = 19,500 units/year Ordering cost S = $25/order Holding cost H = $4/unit/year a) Calculate the EOQ for the workbooks. b) What are the annual holding costs for the workbooks? c) What are the annual ordering costs? Annual holdings cost = $998 Annual holdings cost = $798 O Annual holdings cost = $988 O Annual holdings cost = $898 O Annual holdings cost = $888