Alex Sees That His Neighbors' Lawns All Need Mowing

Multiple Choice

Alex sees that his neighbors' lawns all need mowing. He offers to provide the service in exchange for a wage of $20 per hour. Some neighbors accept Alex's offer and others refuse. Economists would describe Alex's behavior as

A) rational self-interest because he is attempting to increase his own income by identifying and satisfying someone else's wants.
B) greedy because he is asking for a high wage that some of his neighbors can't afford to pay.
C) selfish because he is asking for a wage that is higher than others might charge.
D) irrational because some neighbors refused his offer.