A manager must make a decision on shipping. There are two shippers, A and B. Both offer a two-day rate: A for $536 and B for $525. In addition, A offers a three-day rate of $464 and a nine-day rate of $416, and B offers a four-day rate of $459 and a seven-day rate of $436. Annual holding costs are 37 percent of unit price. Three hundred and ninety boxes are to be shipped, and each box has a price of $154. Which shipping alternative would you recommend? Shipper A option 2 days= $ ? Shipper B option 2 days= $ ?