As an inventory manager, you must decide on the order quantity for an item. Its annual demand is 350 units. Ordering cost is $20 each time an order is placed, and the holding cost is 30 percent of the per-unit price. Your supplier provided the following price schedule. What is the annual cost discrepancy between the optimal order policy and the second best order policy? Between $5 and $10 Between $10 and $20 Less than $5 More than $20