Answer:
low annual percentage rate
Explanation:
Annual percentage Rate refers to the amount of cost that the credit card provider make you pay based on the amount of balance you use.
This mean that If you accumulated a large balance on your credit card, the amount of payment that you have to pay to the credit card company will also increase.
This mean that Opting for credit card with low annual percentage will be significantly cheaper for Ann Marie. Especially if she's decided not to unnecessarily increase the balance in the future.