Three Waters Company (TWC) can borrow funds at an interest rate of 7,30% for a period of seven years. Its marginal federal-plus-state tax rate is 25%. TWC's after-tax cost of debt is (rounded to two decimal places). At the present time, Three Waters Company (TWC) has 10 -year noncallable bonds with a face value of $1,000 that are outstanding. These bonds have a current market price of $1,092.79 per bond, carry a coupon mate of 11%, and distribute annuat coupon payments. The company incurs a federalplus-state tax rate of 25\%. If TWC Wants to issue new debt, what would be a reasonable estimate for its after-tax cost of debt (rounded to two dedimal places)? (Note: Round your YTM rate to two decimal place.) 7,14% 3.21% 6.43% 8.5706