Tempest Manufacturing has 8 million shares of common stock outstanding. The current share price is $73, and the book value per share is $7. Tempest Manufacturing also has two bond issues outstanding. The first bond issue has a face value of $85 million and a 7% coupon, and sells for 97% of par. The second issue has a face value of $50 million, has an 8% coupon, and sells for 108% of par. The first issue matures in 21 years, the second in six years. Suppose the most recent dividend was $3.90 and the dividend growth rate is 6%. Assume that the overall cost of debt is the weighted average of that implied by the two outstanding debt issues. Assume the par value of each bond is $1,000. Both bonds make semiannual payments. The tax rate is 35%. What is the company's WACC? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places.) WACC