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. If the government auctions the quota licenses, the importing nation will:

A) lose $10 million.
B) lose $29.75 million.
C) gain $31.5 million.
D) gain $21.5 million.