Hello, I need help finding the correct realized yield thank you!

Wildhorse Corp. has 18 -year bonds outstanding. These bonds, which pay interest semiannually, have a coupon rate of 9.875 percent and a yield to maturity of 6.0 percent. Assume face value is $1,000. Problem 8.30(a) Compute the current price of these bonds. (Round answer to 2 decimal places, e.g. 15.25.) Current price $ eTextbook and Media Attempts: unlimited Problem 8.30(b) If the bonds can be called in five years at a premium of 11.0 percent over par value, what is the investor's realized yield? (Round answer to 3 decimal places, e.g. 15.255\%.) %