A firm has 15 million shares of common stock outstanding at a price of $22 a share. There are 500,000 bonds outstanding that have a 7.5 percent semiannual coupon. The bonds mature in 6 years, have a face value of $1,000 and sell at 97 percent of par. It also has 5.2 million shares of preferred stock outstanding at a price of $35 a share. What is the capital structure weight of bonds? a) 46.78% b) 18.92% c) 24.20% d) none