Bonds: Builtrite is planning on offering a $1000 par value, 20 year, 7% coupon bond with an expected selling price of $1025. Flotation costs would be $55 per bond. Preferred Stock: Builtrite could sell a $46 par value preferred with a 7% coupon for $38 a share. Flotation costs would be $2 a share. Common stock: Currently, the stock is selling for $62 a share and has paid a $2.82 dividend. Dividends are expected to continue growing at 12%. Flotation costs would be $3.75 a share and Builtrite has $350,000 in available retained earnings. Assume a 25% tax bracket. Their after-tax cost of debt is: O 5.47% O 6.17% 09.12% O 10.12%