a. Dexter Mills issued 30-year bonds one year ago at a coupon rate of 10 percent. The bonds make semiannual payments and have a par value of $1,000. If the YTM is 7.7 percent, what is the current bond price?

(Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)

b. Do-Well bonds have a face value of $1,000 and are currently quoted at 109.25. The bonds have coupon rate of 6.4 percent. What is the current yield on these bonds? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)