Three years ago, tristan bought a 30-year, 5.45%, $1,000 bond. the bond pays interest semiannually. he wants to sell the bond after receiving the sixth semiannual dividend. a.) similar bonds are being issued that pay 4%. what is tristan’s bond worth today? (round your answer to the nearest cent.) b.) similar bonds are being issued that pay 6%. what is tristan’s bond worth today? (round your answer to the nearest cent.)