Which of the following statements isfalse?a)Two countries may benefit from trade, even if their production possibility frontiers have identical shapes, if preferences differ in the two countries.b)Two...

Which of the following statements isfalse?a)Two countries may benefit from trade, even if their production possibility frontiers have identical shapes, if preferences differ in the two countries.b)Two countries may benefit from trade, even if their production possibility frontiers have identical shapes, if industries have substantial economies of scale.c)When two countries benefit from the opening up of trade, all citizens in each country will benefit.d) Differences in the degree of human capital offer one reason why two countries may have production possibility frontiers that differ in shape.