The Figure Given Below Shows the Market for Computers in the U.S

The figure given below shows the market for computers in the U.S. The domestic price line inclusive of the tariff lies above the international price line. D_d and S_d are the domestic demand and supply curves of computers respectively. Calculate the tariff revenue of the U.S. government.

A) $400,000
B) $40 million
C) $28 million
D) $76 million