Answer:
France has comparative advantage in production of wine
Austria has comparative advantage in production of rye.
4 bushels of rye for each bottle of wine
1 bottle of wine for each bushel.
b. 4 bushel of rye per bottle of wine.
Explanation:
France has comparative advantage in producing wine as it has opportunity cost of 4 bushels per bottle of wine. Austria has comparative advantage in producing bushels as it has opportunity cost of 10 bushels per bottle of wine. The both countries can gain advantage if they agree for 4 bushels per wine.