​(Related to Checkpoint​ 9.2) ​(Yield to​ maturity) The market price is ​$725 for a 16​-year bond ​($1 comma 000 par​ value) that pays 9 percent annual​ interest, but makes interest payments on a semiannual basis ​(4.5 percent​ semiannually). What is the​ bond's yield to​ maturity? The​ bond's yield to maturity is nothing​%. ​ (Round to two decimal​ places.)