Which of the Following Pieces of Advice Is Consistent with the Principle

Multiple Choice

Which of the following pieces of advice is consistent with the principle of comparative advantage?

A) If someone else is faster than you at a task, trade with them, so they do it for you.
B) Focus on what you do best.
C) Focus on what you are relatively good at doing, even if you are not the best at it.
D) Relative preferences are key to understanding who should do what.