Which of the following is NOT a limitation of the Comparative Advantage theory? (Hint: four of these are limitations, but one is just what the theory postulates) it ignores transportation cost it assumes perfect market conditions (unlimited demand, unrestricted trade, total employment) it assumes perfect labor mobility it ignores political and social concerns it suggests that trade between two nations can be beneficial to both nations even if one of the nations can make any product more efficiently than the other nation can