Country A\'s opportunity cost of producing 1 ton of wheat is 0.5 bottles of wine (50 bottles of wine / 100 tons of wheat). Country A\'s opportunity cost of producing 1 bottle of wine is 2 tons of wheat (100 tons of wheat / 50 bottles of wine).
Country A\'s opportunity cost of producing 1 ton of wheat is 0.5 bottles of wine (50 bottles of wine / 100 tons of wheat). Country A\'s opportunity cost of producing 1 bottle of wine is 2 tons of wheat (100 tons of wheat / 50 bottles of wine).