A manager must make a decision on shipping. there are two shippers, a and
b. both offer a two-day rate: a for $526 and b for $532. in addition, a offers a three-day rate of $470 and a nine-day rate of $411, and b offers a four-day rate of $459 and a seven-day rate of $412. annual holding costs are 34 percent of unit price. three hundred and fourty boxes are to be shipped, and each box has a price of $148. which shipping alternative would you recommend