Cost of debt using both methods (YTM and the approximation formula) Currently, Warren Industries can sell 15-year, \$1,000-par-value bonds paying annual interest at a 12% coupon rate. Because current market rates for similar bonds are just under 12%, Warren can sell its bonds for $1,060 each; Warren will incur flotation costs of $20 per bond. The firm is in the 24% tax bracket. a. Find the net proceeds from the sale of the bond, Nd : b. Calculate the bond's yold to maturity (YTM) to estimate the before-tax and after-tax costs of dobt. c. Use the approximation formula to estimate the before-tax and after-tax costs of debt. a. The net proceods from the sale of the bond, Nd is $ (Round to the nearest dolar.)