9. Based on graphical data above, (A) the United States has an absolute advantage in the production in beef but not vegetables (B) Mexico has an absolute advantage in the production of vegetables but not beef (C) the United States has an absolute advantage in the production of vegetables but not beef (D) Mexico has an absolute disadvantage in the production of beef but an absolute advantage in the production of vegetables (E) the United States has an absolute advantage in the production of both beef and vegetables