Final answer:
The APR of Clarice's credit card is 23.99% per annum, representing the annual cost of borrowing on the card which includes interest rates and any additional fees associated with the credit.
Step-by-step explanation:
The question asks about the APR (Annual Percentage Rate) of Clarice's credit card. APR is typically given as a percentage and represents the cost of borrowing on an annual basis. From the options provided, the correct way to express APR is 'per annum,' which means 'per year.' Thus, the correct answer is 23.99% per annum. This means the interest rate charged on the borrowed amount is 23.99% annually. It's important to note that APR includes not only the interest rate but also any additional fees or costs associated with the credit. Credit card companies are required by law to show the APR to consumers so they can compare the cost of borrowing.