A company's perpetual preferred stock currently sells for $92.50 per share, and it pays an $8.00 annual dividend. If the company were to sell a new preferred issue, it would incur a flotation cost of 5.00% of the issue price. What is the firm's cost of preferred stock?a. 7.81%b. 8.22%c. 8.65%d. 9.10%e. 9.56%