Western Gas \& Electric Company (WGC) can borrow funds at an interest rate of 12.50% for a period of six years. Its marginal federal-plus-state tax rate is 30%. WGC's after-tax cost of debt is (rounded to two decimal places). At the present time, Western Gas \& Electric Company (WGC) has 10-year noncallable bonds with a face value of $1,000 that are outstanding. These bonds have a current market price of $1,278.41 per bond, carry a coupon rate of 11%, and distribute annual coupon payments. The company incurs a federal-plus-state tax rate of 30%. If WGC wants to issue new debt, what would be a reasonable estimate for its after-tax cost of debt (rounded to two decimal places)? (Note: Round your YTM rate to two decimal place.) 5.90% 4.92% 3.94% 5.66%