Quantix Corp has shares with a beta of 1.3. The risk free rate is 3% and the expected market return is 9%. Its tax rate is 30%. The company's shares currently trade for $45 a share. What is the company's estimated cost of retained earnings?

a. 10.8%

b. 7.56%

c. 14.7%

d. 9.00%

A company has target weights of debt, preferred and common equity of 20%, 10% and 70%, respectively. It has liquidation values of debt, preferred and common equity of 30%, 15% and 55%. Its book values of debt, preferred and common equity are 40%, 10% and 50%. The estimated costs, net of adjustments, to the issuer are 5%, 9% and 12% for debt, preferred and common equity. Estimate the firm's weighted average cost of capital.