Before tax cost of debt and after-tax cost of debt Personal Finance Problem David Abbot is interested in purchasing a bond issued by Sony. He has obtained the following information on the security Sony Bond Par value $1000 Coupon interest rate 6.5% Corporate tax rate 20% Cost $920 Years to maturity 10 Answer the following questions: a. Calculate the before-tax cost of the Sony bond using the bond's yield to maturity (Ym). 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 declmal places) b. The after-tax cost of the Sony bond given the corporate tax rate is 1% (Round to two decimal places.)