incorp issues two bonds with 15 -year maturities. Both bonds are callable at $1,090. The first bond is issued at a deep discount with a oupon rate of 4% and a price of $540 to yield 10.5%. The second bond is issued at par value with a coupon rate of 11.50% Required: What is the yield to maturity of the par bond? (Round your answer to 2 decimal places.)