Ivanhoe Industries has 8 percent coupon bonds outstanding. These bonds have a market price of $963.32, pay interest semiannually, and will mature in 6 years. If the tax rate is 35 percent, what are the pre-tax cost and after-tax cost of this debt? (Round answers to 2 decimal places, e.g. 52.75%.)

Pre-Tax Cost = ?%

After-Tax Cost = ?%