Please assist with this question in finance

Before-tax cost of debt and after-tax cost of debt Personal Finance Problem obtained the following information on the security: David Abbot is interested in purchasing a bond issued by Sony. He has Sony Bond Cost Answer the following questions: a. Calculate the before-tax cost of the Sony bond using the bond's yield to maturity (YTM). b. Calculate the after-tax cost of the Sony bond given the corporate tax rate a. The before-tax cost of the Sony bond using the bond's yield to matunty YTM) s % Round to two decimal places. b. The after-tax cost of the Sony bond given the corporate tax rate i % Round to two decimal places. Enter your answer in each of the answer boxes