Answer:
Portugal has a comparative advantage in the production of shoes
Austria has a comparative advantage in the production of fishes
Explanation:
A country has comparative advantage in production if it produces at a lower opportunity cost when compared with other countries.
Portugal has a lower opportunity cost in the production of shoes when compared with Asutria. Portugal has a comparative advantage in production of shoes.
It means thay Asutria is better at producing fish and would therefore have a comparative advantage in the production of fish.
I hope my answer helps you