Assume that both the demand curve and the supply curve for MP3 players shift to the right but the supply curve shifts more than the demand curve. As a result O the equilibrium price of MP3 players will increase; the equilibrium quantity will decrease. both the equilibrium price and quantity of MP3 players will decrease. the equilibrium price of MP3 players may increase or decrease; the equilibrium quantity will decrease. the equilibrium price of MP3 players will decrease; the equilibrium quantity will increase.