Viduka Construction's CFO has collected the following information to estimate the company's WACC: The company currently has 9-yearbonds that have a face value of $1,000 and sell for $1, 025. The coupon rate is 8% p.a. and coupon is paid annually. The preferred stock sells for $25 a share. The company's the last common stock dividend was $1.00. The company's grow rate is 6% per year. The market risk premium equals 5%. The current common stock price is $26.5. The company's annual preferred stock dividend is $3.00. The company's tax rate is 40%. The company's capital structure consists of 30% long-term debt, 50% common stock, and 20% preferred stock. What is the company's after-tax cost of debt? a. 8.2% b. 4.56% c. 4.92% d. 8.00% e. 7.61% What is the company's cost of preferred stock? a. 4.00% b. 3.77% c. 8.33% d. 8.00% e. 12.00% What is the company's cost of retained earnings? a. 977% b. 10.24% c. 9.20% d. 10.00% e. 8.96%