a. The 8.3%, fifteen-year bond yields 6.3%. If this yield to maturity remains unchanged, what will be its price one year hence? Assume annual coupon payments and a face value of $1,000. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What is the total return to an investor who held the bond over this year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)