You have been assigned to calculate the Weighted-Average-Cost-of-Capital for your firm, which has three sources of long-term capital. The company's marginal tax rate is 25%. First, there are 207,500 shares of common stock, which are currently selling for $41.93. You estimate that the firm's Beta is 0.95 . The current return on short-term TBill is 2.25%, and you expect the long-term return on the stock market to be about 9.75%. Second, the firm has 43,000 shares of preferred stocks outstanding, which promise annual (perpetual) dividends of $3.90. These stocks are currently selling for $54.32 per share. Third, there is an issue of 4,500 coupon bonds with a face value of $1,000, which pays 5.10% (annual) coupons, and mature in fourteen years. These bonds are currently trading for $952.35. Based on these figures, what is the required return on the firm's preferred stock? 13.93% 7.18\% 7.94% 6.78%