Atlantis Fisheries issues zero coupon bonds on the market at a price of $529 per bond. Each bond has a face value of $1,000 payable at maturity in 16 years. It is callable in 8 years at a call price of $650. Using semi annual compounding, what is the yield to call for these bonds? (Round your answer to 2 decimal places. Omit the "%" sign in your response.)
Yield to call %