Cost of debt using both metheds (YTM and the approximation formula) Currently. Warren industries can sell 15-year, $1,000-par-value bonds paying annual interest at a 15\% coupon rate. Because current market rates for similar bonds are just under 15%, Warten can sell its bonds for $1,040 each, Warren will inour fotation 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 bondrs yleld to maturty (YTM) to estimate the before-tax and after-tax costs of debt c. Use the approximation formula to estimate the before-tax and atter-tax costs of debt a. The net proceeds from the sale of the bond, Nis $ (Found to the nearest dollar.)