The Effect on the New Car Market of a Lower

The effect on the new car market of a lower price for used cars can best be described by:

A) a shift in the supply curve to the right, decreasing the equilibrium price
B) a shift in the supply curve to the left, increasing the equilibrium price
C) a shift in the demand curve to the left, decreasing the equilibrium price
D) a shift in both the supply and demand curves to the right, leaving the equilibrium price the same
E) a shift in the demand curve to the right and a shift in the supply curve to the left, increasing the equilibrium price