please help!!! this answer is wrong

thank you

You are given the following information for Huntington Power Company. Assume the company's tax rate is 21 percent. Debt: 18,0004.6 percent coupon bonds outstanding, $2,000 par value, 21 years to maturity, selling for 103 percent of par; the bonds make semiannual payments. Common 410,000 shares outstanding, selling for $64 per share; the beta is .89 . stock: Market: 6 percent market risk premium and 2.9 percent risk-free rate. What is the company's WACC? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)