help please

This graph demonstrates the domestic demand and supply for a good, as well as a tariff and the world price for that good. : i L :.u.' world Price 250 500 815 1150 1500 Q According to the graph shown, the amount of surplus enjoyed by domestic consumers with free trade before the tariff is area: m ABC :9 if \\ ABCDEFGHIJKL \\, \\ ABCDEFG \\, \\