These answers are wrong csn u help me

Russell Container Company has a $1,000 par value bond outstanding with 20 years to maturity. The bond carries an annual interest payment of $127 and is currently selling for $940 per bond. Russell is in a 35 percent tax bracket. The firm wishes to know what the aftertax cost of a new bond issue is likely to be. The yield to maturity on the new issue will be the same as the yield to maturity on the old issue because the risk and maturity date will be similar. (Do not round intermediate calculations. Round the final answers to 2 decimal places.) a. Compute the yield to maturity on the old issue and use this as the yield for the new issue. Yield on new issue 13,4 * % b. Make the appropriate tax adjustment to determine the aftertax cost of debt. Cost of debt 8.71 3 %