Suppose a 10 -year, $1,000 bond with a 12% coupon rate and semiannual coupons is trading for a price of $914.87. a. What is the bond's yield to maturity (expressed as an APR with semiannual compounding)? b. If the bond's yleld to maturity changes to 9% APR, what will the bond's price be? a. What is the bond's yield to maturity (expressed as an APR with semiannual compounding)? The YTM is \%. (Round to two decimal places.)