The level of the Syldavian market index is 21,500 at the start of the year and 26,000 at the end. The dividend yield on the index is 4.6%. a. What is the return on the index over the year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) b. If the interest rate is 7%, what is the risk premium over the year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) c. If the inflation rate is 9%, what is the real return on the index over the year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)