What is the coupon rate of a ten-year, $5,000 bond with semiannual coupons and a price of $4,545.20, if it has a yield to maturity of 7%? OA. 5.72% OB. 4.576% OC. 8.008% OD. 6.864% A firm issues 20-year bonds with a coupon rate of 4.2%, paid semiannually. The credit spread for this firm's 20-year debt is 1.2%. New 20-year Treasury notes are being issued at par with a coupon rate of 4.6%. What should the price of the firm's outstanding 20-year bonds be if their face value is $1000? A. $649.64 B. $1,136.88 C. $812.06 D. $48.00