Can someone please help me in determining the right answer from the following question. The law of comparative benefit exhibits: (a) Why trade with a country in which salaries are low is not fair. (b) How countries try to use each other via trade. (c) Why small countries with tapered resource bases forever lose in foreign trade. (d) Potential gains in efficiency accessible via specialization and trade.
Please choose the right answer from above...I want your suggestion for the same.