A B World Price + tariff C D E F World Price G Demand Q1 Q2 Q3 Q4 Quantity (a) Consumer surplus under free trade before tariff is imposed = A+B+C+D+E+F Producer Surplus under free trade before tariff is imposed = G Quantity imported before tariff = B (b) After the tariff is imposed, what is the decrease in consumer surplus After the tariff is imposed, what is the increase in producer surplus = After the tariff is imposed, government tariff revenue = Quantity imported after tariff = (c) Please describe one reason for the imposition of a tariff other than "saving domestic jobs" or "low foreign wages". You must describe the reason you mention and not just list it