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

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.