Ivanhoe Industries has 8 percent coupon bonds outstanding. These bonds have a market price of $942.11. pay interest semiannually. and will mature in six years. If the tax rate is 35 percent, what are the pretax cost and after-tax cost of this debt? (Round intermedlate calculations to 4 decimal places, eg. 1.2514 and final answer to 2 decimal places, eg. 15.25\%) Pre-tax cost \% After-tax cost \%