The Diagram Below Shows the Domestic Demand and Supply Curves

The diagram below shows the domestic demand and supply curves for denim jeans in Canada.The prevailing world price is P_W.Assume that all jeans are identical. FIGURE 33-2 Refer to Figure 33-2.Suppose Canada has free trade in jeans and then imposes a tariff of $t per pair.Canadian jean producers' revenues will increase by the area equal to

A) A + B + F + J.
B) D + E + I.
C) E + F + G + H.
D) F + G.
E) F + G + H.