You buy a bond for $997 that has a coupon rate of 6.30% and a maturity of 6 -years. A year later, the bond price is $1,192. (Assume a face value of $1,000 and annual coupon payments.) a. What is the new yield to maturity on the bond? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) b. What is your rate of return over the year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)