If the Legal Beer-Drinking Age Is Raised from 18 to 21,the

If the legal beer-drinking age is raised from 18 to 21,the changes to the equilibrium price and quantity of beer are likely to be that

A) price rises and quantity rises.
B) price falls and quantity rises.
C) price rises and quantity falls.
D) price falls and quantity falls.
E) no change in price or quantity occurs.