Answer:
tspecialize in being a surgeon because its opportunity cost is lower
Explanation:
A person has comparative advantage in production if it produces at a lower opportunity cost when compared to other people.
Implicit cost is the cost of the next best option forgone when one alternative is chosen over other alternatives
What the surgeon would give up to pratice as a surgeon would be lower compared than if he decided to specialise in cleaning pools
thus he should specialize in being a surgeon because its opportunity cost is lower