Answer:
The answer is below
Explanation:
According to opportunity costs, COUNTRY A should specialize in petroleum.
According to opportunity costs, COUNTRY B should specialize in seafood.
This is because, based on the data in the table, the opportunity cost for Country A to produce 16 units of petroleum is 8 units of seafood.
And the opportunity cost for Country B to produce 8 units of petroleum is 8
units of seafood.
