another answer to this question if you have the option is 5 months
The correct answer is D. 5 months
Balance = P = $3980
Rate (r) = 22.8% ,
n is no. of times interest is calculated in one year n = 1
Hence, the least amount of interest is paid in time length of 5 months
So, Correct Option is D. 5 months
Therefore, given that Darlene has a balance of $3980 on a credit card with an APR of 22.8%. Paying off her balance in 4 months will result in her paying the least amount of interest.