IfA

is an inferior good and consumer income rises, the demand forA

increases, and the equilibrium price and the equilibrium quantity increase.

increases and the equilibrium price rises, but the equilibrium quantity decreases.

decreases, and the equilibrium price and the equilibrium quantity decrease.

decreases, the equilibrium price rises, and the equilibrium quantity decreases.

decreases and the equilibrium price falls, but the equilibrium quantity increases.