Western Gas & Electric Company (WGC) can borrow funds at an interest rate of 10.20% for a period of five years. Its marginal federal-plus-state tax rate is 45%. WGC's after-tax cost of debt is places) (rounded to two decimal 5.61% 4.77% 6.45% 10.20% At the present time, Western Gas & Electric Company (WGC) has 15-year noncalmable Donds with a face value of $1,000 that are outstanding. These bonds have a current market price of $1,329.55 per bond, carry a coupon rate of 12%, and distribute annual coupon payments. The company incurs a federal-plus-state tax rate of 45%. 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)? 3.58% 5.36% 4.47% 4.02%