submitted this on chegg before and got given these answers. both were wrong.

Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the table below. 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. Market: 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 . Answer is complete but not entirely correct