What is the yield to call of a 30-year to maturity bond ofGeneral Power, Inc.that pays a coupon rate of 8.6percent per year, has a $1000 par value, and is currently priced at $1,225? The bond can be called back in 6years at a call price of $1,055. Assume annual coupon payments.

Round the answer to two decimal places in percentage form. Use Excel or a financial calculator.