Answer:
D. Banks make money by charging a higher interest on loans than the interest they pay on depositors' accounts.
Step-by-step explanation:
Commercials banks are intermediaries of credit. They connect the supply side and demand side of credit. Banks accept deposits and use them to create loans for other customers.
Interest earned from loans is the primary source of revenue for banks. Interest from loans is earned when banks charge higher interest on loans than they pay for deposits.