Before-tax cost of debt and after-tax cost of debt Personal Finance Problem issued by Sony. He has obtained the following information on the security: David Abbot is interested in purchasing a bond Sony Bond Par value $1000 Cost $890 coupon interest rate 5.5% Years to maturity 10 Corporate tax rate 35% 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 maturity YTM) is % Round to two decimal places. b The after-tax cost of the Sony bond given the corporate tax rate is % Round to two decimal places