You've borrowed $4,000.13 and agreed to pay back the loan with monthly payments of $190. Assume the interest rate is 9% stated as an APR. a. How long will it take you to pay back the loan? (Do not round intermediate calculations. Round your answer to the nearest whole number.) Number of months b. What is the effective annual rate on the loan? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Effective annual rate %