Suppose the United States is a large importer of Mexican tortilla. Fol- lowing the implementation of NAFTA, U.S. tariffs on Mexican tortilla imports were reduced to zero. (a) Draw three graph that depict the equilibrium in the U.S. tortilla market, the Mexican tortilla market, and the international tortilla market, respectively, both before and after NAFTA. Label your graphs carefully. (b) What is the impact of NAFTA on U.S. tortilla supply, U.S. tortilla demand, Mexican tortilla supply, Mexican tortilla demand, tortilla exports/imports, as well as the tortilla price in the U.S. and in Mexico? (c) Using letters to represent areas in the U.S. graph, Greek letters to represent areas in your IM graph, and numbers to represent areas in the Mexican graph, identify before and after NAFTA U.S. consumer and producer surplus Mexican producer and consumer surplus, U.S. tariff revenue, U.S. and Mexican deadweight welfare lose (DWL) change in U.S. and Mexican welfare Present your answers in a table format. (d) Removal of the tortilla tariff has increased welfare for the United States. Comment