Delayed Exports has four bonds outstanding. If the relevant tax rate is 31 percent, what is the after-tax cost of Delayed Exports' debt? (Do not round your intermediate calculations.) Bond 1 2 3 4 Coupon Rate 5.50% 6.40% 5.70% 6.40% Yield to Maturity 5.22% 4.73% 5.62% 5.55% Price Quote (% of Face Value) 101 111 101 113 Maturity 4 years 8 years 20 years 34 years Face Value $19,000,000 $ 42,000,000 $ 48,000,000 $ 65,000,000