David Abbot is interested in purchasing a bond issued by Sony. He has obtained the following information:
Par Value- $1,000
Cost- $910
Coupon interest rate- 7.5%
Years to maturity: 10
Corporate tax rate- 35%
a. The before tax cost of the Sony bond using the bond's yield to maturity (YTM) is ___ %?
b. The after tax cost of the Sony bond given the corporate tax rate is ___ %?