(Cost of debf) The Zephyr Corporation is conternplating a new investment to be financed 33 percent from debt. The fum could ses new $1,000 par value bonds at a net pice of $970. The coupon interest rate is 12 percent, and the bonds would mature in 11 years if the company is in a 20 percent tax bracket, What is the after-tax cost of capital to Zephyr for bonds? The after-tax cost of capital to Zephyr for bonds is \%. (Round to two decimal places)