Market for Ceramic Coffee Mugs P S P1 P2 D2 D Q1 Q2 Q a. The quantity arrow should be showing that quantity demanded increased. b. The equilibrium quantities are mislabeled. Q1 and Q2 should be swapped. C. The equilibrium prices are mislabeled. P1 and P2 should be swapped. d. The demand curves are mislabeled. D1 and D2 should be swapped. e. This graph does not contain an error