You ordered items on sale for $78.90. the regular price for the items was $100.50. if the shipping is the same for both orders and the sales tax is 6 1/2%, how much did you save by buying on sale?

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.