A manager must make a decision on shipping. There are two shippers, A and B. Both offer a two-day rate: A for $514 and B for $527. In addition, A offers a three-day rate of $472 and a nine-day rate of $407, and B offers a four-day rate of $458 and a seven-day rate of $424. Annual holding costs are 31 percent of unit price. Three hundred and sixty boxes are to be shipped, and each box has a price of $146. Which shipping alternative would you recommend?