Which is true about sinking fund bonds? These bonds allow the issuer to force the bond holders to sell the bond back to the issuer at the call price These bonds include a requirement that the issuer retires a certain portion of the entire issue every year hence offer a relatively lower interest rate. These bonds include a requirement that the issuer retires a certain portion of the entire issue every year hence offer a relatively higher interest rate $.$ These bonds gives the bond holders the right to purchase the firm's common stock at a specified price up to a specified date.