How to know about the trend of opportunity cost in each diagram? This confuses me

3. The diagram below illustrates the PPFs for two countries that produce wine and cheese. With no trade, country 1 produces at point A on its PPF and country 2 produces at point B. Wine Wine PPF1 Aocaines B A PPF2 Of cheese 8 Cheese Cheese Assume that the two countries now begin to trade with one another. Which of the following will NOT occur (relative to the case with no trade). less wing, OCT less wineR, OC ? a) Country 1 will produce less cheese. V More cheese, OCT More cheese , + OC ? b) Country 2 will export wine. c) Country 1 will import cheese. d) Country 2 will produce more cheese. X