The Following Figure Shows the Domestic Demand and Supply Curves

The following figure shows the domestic demand and supply curves for a good. With free trade, the price of the good in the domestic market is P₃. The government introduces a 5% tariff in the market which raises the domestic price to P₂.
Figure 7-1

-Refer to Figure 7-1. With the imposition of the tariff, the change in producer surplus is equal to:

A) a loss measured by the area of P₁FGP₂.
B) a gain measured by the area of P₁FJP₃.
C) a gain measured by the area of P₂GJP₃.
D) a loss measured by the area of P₃JA0.
E) a gain measured by the area of P₁FC0.