Erna Corp. has 8 million shares of common stock outstanding. The current share price is $73, and the book value per share is $7. Erna Corp. also has two bond issues outstanding. The first bond issue has a face value of $85 million, has a 7 percent coupon, and currently trades for $93.5 million. The second issue has a face value of $50 million, has an 8 percent coupon, and currently trades for $64 million. The first issue matures in 21 years, the second in 6 years. The company corporate tax rate is 0%. What is Erna's weight on equity in the WACC formula? 0.812 0.214 0.788 O 0.764