Expectations of future prices affect demand but not supply

According to the equation of exchange, the

A) quantity of money divided by the inflation rate equals real GDP. B) quantity of money minus the velocity of circulation equals real GDP minus the price level. C) quantity of money multiplied by the velocity of circulation equals nominal GDP. D) velocity of circulation is always smaller than the inflation rate. E) quantity of money multiplied by the inflation rate equals nominal GDP.

Ceteris paribus, if consumer tastes change so that more people are eating broccoli, then what will happen to the market equilibrium for cabbage, a substitute good for broccoli?

a. Price will increase, and quantity will increase. b. Price and quantity will stay the same. c. Price will decrease, and quantity will increase. d. Price will increase, and quantity will decrease. e. Price will decrease, and quantity will decrease.