In the figure below, AB is the production-possibility curve of Canada. The line PQ shows the price ratio of one bushel of wheat/bale of cotton. I₁and I₂are two of the community indifference curves of Canada. With free trade, Canada can achieve a level of well-being corresponding to I₂. In the absence of international trade, one bushel of wheat will exchange for _____ bale(s) of cotton in Canada. After Canada engages in international trade, one bushel of wheat will exchange for _____ bale(s) of cotton.

Wheat (bushels) R I1 12 80 A- C1 60 - Co 50 Q B 0 25 65 85 Cotton (bales) Canada