Answer:
B
Step-by-step explanation:
A country has comparative advantage in production if it produces at a lower opportunity cost when compared to other countries.
A company has absolute advantage in the production of a good or service if it produces more quantity of a good when compared to other countries
Allocative efficiency occurs in efficient markets when goods, services or capital are distributed in a way that is efficient to all the parties involved.
When countries trade in the goods for which they have a comparative advantage in its production, all the parties in the trade gains