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William Beville's computer training school, in Richmond, stocks workbooks with the following characteristics: Demand D 20,000 units/year Ordering cost S $27/order Holding cost H $5/unit/year Part 2 a) The EOQ for the workbooks is (round your response to the nearest whole number). Part 3 b) What are the annual holding costs for the workbooks? (round your response to the nearest whole number). Part 4 c) What are the annual ordering costs? Senter your response here (round your response to the nearest whole number)