please answer ASAP

To calculate the after-tax cost of debt, multiply the before-tax cost of debt by Three Waters Company (TWC) can borrow funds at an interest rate of 11.10% for a period of seven years. Its marginal federal-plus-state tax rate is 45%. TWC's after-tax cost of debt is (rounded to two decimal places). At the present time, Three Waters Company (TWC) has 20 -year noncallable bonds with a face value of $1,000 that are outstanding. These bonds have a current market price of $1,382.73 per bond, carry a coupon rate of 13%, and distribute annual coupon payments. The company incurs a federalplus-state tax rate of 45%. If TWC wants to issue new debt, what would be a reasonable estimate for its after-tax cost of debt (rounded to two decimal places)? 5.60% 4.38% 4.87% 5.84%