Sound Systems (SS) has 200,000 shares of common stock outstanding at a market price of $37 a share. SS recently paid an annual dividend in the amount of $1.20 per share. The dividend growth rate is 4 percent. SS also has 4,500 bonds outstanding with a face value of $1,000 per bond that are selling at 99 percent of par. The bonds have a 6 percent coupon and a 6.7 percent yield to maturity. If the tax rate is 34 percent, what is the weighted average cost of capital? a. 7.28% b. 6.49% c. 5.87% d. 6.26% e. 5.33%