The aggregate demand curve is downward sloping because:

Group of answer choices

a. an increase in the price level will cause an increase in spending.

b. at lower price levels, households with savings deposits or cash feel wealthier, causing them to spend more on Consumption spending.

c. at lower price levels, interest rates decrease, causing a decrease in the quantities of goods and services demanded.

d. at lower price levels, real wealth decreases, causing a decrease in the quantities of goods and services demanded.