How would the situation change if the interest on Emma's credit card were compounded annually rather than monthly, and she didn't make any payments toward the balance? Select the correct answer from each drop-down menu.
After 4 years, Emma would owe approximately $__A__ for her original purchase of $300.
It would take around __B___years for her balance to increase from $300 to $450.
A. 525 480 480 545
B. 3.1 2.9 2.7 2.5