Adams Food Service has issued 9 1/8 percent bonds that mature on July 15, Year 34. The bonds are callable at $1,029.2 on July 15, Year 10. Assume that interest is paid and compounded annually. Determine the yield-to-maturity if an investor purchased a $1,000 denomination bond for $820 on July 15, Year 1. Round your answer to two decimal places.

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