Credit cards and charge cards differ in two important ways. One is the method of payment. What is the other difference? A. You earn interest when you use a credit card but not a charge card. B. You earn interest when you use a charge card but not a credit card. C. You have to pay interest on charge cards but not on credit cards. D. You have to pay interest on credit cards but not on charge cards.

Step-by-step explanation:Credit cards are used for borrowing amount of money from your bank so therefore you will pay interest.Charge cards(debit cards)are used to make payments from the money available on your account therefore you do not pay interest on them.

A and B are wrong as credit and charge cards are not used for earning interest.

C is wrong as you do not pay interest on charge cards.

D is the right answer.