Define opportunity cost. Calculate the opportunity cost if he decides to spend 3 hours of his time mowing his own lawn. Discuss if he should mow his own lawn or hire someone to do it based on his opportunity cost and total economic cost of mowing the lawn. Give reasons. [Hint: total economic cost = opportunity cost direct cost] Discuss if your answer will be the same if the person in question was you instead of LeBron James. Give reasons for your answer.