asked this question before multiple times, got wrong answers. please help.

If the corporate tax rate is 23 percent, what is the aftertax cost of the company's debt? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16 . You are given the following information on Parrothead Enterprises: Debt: 9,5007 percent coupon bonds outstanding, with 25 years to maturity and a quoted price of 105.25 . These bonds pay interest semiannually and have a par value of $1,000. 250,000 shares of common stock selling for $65.00 per share. The stock has a beta of .95 and will pay a dividend of $3.20 next year. The dividend is expected to grow by 5 percent per year indefinitely. Preferred stock: 8,500 shares of 4.5 percent preferred stock selling at $94.50 per share. The par value is $100 per share. 11.5 percent expected return, risk-free rate of 3.85 percent, and a 25 percent tax rate. Calculate the company's WACC. Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16