George and samantha both applied for a personal loan at westside bank. george has a credit score of 650. samantha has a credit score of 520. the bank approved george’s loan application at 5.6% interest. samantha was approved for the same loan amount, but, because of her lower credit rating, the interest charged on samantha’s loan is 3 percentage points higher than the interest rate on george’s loan. what interest rate does samantha pay to the bank?

a. 8.6%
b. 5.9%
c. 3.0%
d. 2.6%