Annie would get $8 marginal benefit from buying one box of cereal and $3.50 marginal benefit from buying a second box. If the grocery store is selling boxes of cereal for $4 each, Annie will buy If the store sells boxes of cereal for $6 but with a "buy one, get one 50% off deal," Annie will buy one; one two; one two, two one; two

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.