A perfectly competitive industry is in equilibrium with price P0 and quantity Q0. Then the government imposes a price ceiling of Pmax. Use the diagram to the right to answer the following questions.
The change in consumer surplus due to the price ceiling is represented by area
A.
D​ + E​ + F​ + G.
B.
A​ + B​ + C.
C.
D−C.
D.
D​ + E​ + H
E.
D​ + E.
F.
A​ + B​ + D.