Answer: See explanation
Step-by-step explanation:
Economics is the study of human behavior and also how resources are allocated in the society. Economics studies the reason for the behavior in the individuals, firms or government when certain situations happen in the economy.
Opportunity cost is refered to as n alternative cost that's, the cos if what we forgo when we make an alternative decision. For example, if I purchase a book for $20, the opportunity cost is something else that I could have used the $20 for.