Even with international trade, countries rarely specialize because a. some countries do not have a comparative advantage in any good. b. production of most goods involves increasing opportunity costs. c. some countries do not have an absolute advantage in any good. d. some countries would lose as a result of free trade.

answer: nobody

explanation:

if it is for a job, then you should learn everything you can about the job, like what does it involve, what qualification is required and how you are the right person for that job. dress appropriately for the interview. get plenty of rest the night before. good luck!

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