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Multiple Choice
If a credit card has an annual percentage rate (APR) of 15.99\%, what is the monthly periodic interest rate (rounded to two decimal places)?
A
0.80\%
B
1.33\%
C
15.99\%
D
12.00\%
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Verified step by step guidance
1
Understand that the annual percentage rate (APR) represents the interest rate for the entire year, and the monthly periodic interest rate is calculated by dividing the APR by the number of months in a year (12).
Express the formula for the monthly periodic interest rate as: . This formula divides the annual rate evenly across all months.
Substitute the given APR value (15.99%) into the formula: . Ensure the APR is expressed as a percentage for clarity.
Perform the division to calculate the monthly periodic interest rate. Round the result to two decimal places as specified in the problem.
Verify the calculation by checking the rounded result against the provided options (0.80%, 1.33%, 15.99%, 12.00%) to ensure the correct answer is identified.