The Figure Given Below Shows the Domestic Demand (D_d) and Supply

The figure given below shows the domestic demand (D_d) and supply (S_d) curves of mopeds in a country before an import quota is imposed by the government. After the imposition of quota, the total available supply curve becomes S_d + Q_Q. After the quota is imposed by the government, the domestic producers:

A) lose $2.5 million.
B) gain $27.5 million.
C) gain $42.5 million.
D) lose $80 million.