A manager must make a decision on shipping. There are two shippers, A and B. Both offer a two-day rate: A for $508 and B for $533. In addition, A offers a three-day rate of $474 and a nine-day rate of $410, and B offers a four-day rate of $451 and a seven-day rate of $430. Annual holding costs are 31 percent of unit price. Three hundred and thirty boxes are to be shipped, and each box has a price of $152. Which shipping alternative would you recommend?