please answeer both a and b. will give thumbs up :)

Suppose a 10 -year, $1,000 bond with an 8.9% coupon rate and semi-annual coupons is trading for a price $1,034.98. a. What is the bond's yield to maturity (expressed as an APR with semi-annual compounding)? b. If the bond's yield to maturity changes to 9.6% APR, what will the bond's price be? a. What is the bond's yield to maturity (expressed as an APR with semi-annual compounding)? The bond's yield to maturity is %. (Round to two decimal places.)