The IMF agreement forced the U.S. to exchange gold for dollars at what price?

Suppose that opportunity costs in India and Australia are constant. In India, maximum feasible hourly production rates are either 0.3 unit of cloth or 0.2 unit of food

In Australia, maximum feasible hourly production rates are either 0.5 unit of cloth or 0.5 unit of food. It is correct to state that A) India has a comparative advantage in producing cloth. B) India has a comparative advantage in producing both cloth and wheat. C) India has no comparative advantage in producing cloth or wheat. D) Australia has a comparative advantage in producing cloth.

The idea behind comparative advantage reflects the possibility that one party a. may be able to produce something relatively more efficiently than another. b. may be able to produce something at a lower opportunity cost than another. c. may be able to produce something more cheaply than another

d. all of the above