You received the following information from your aunt regarding her bond portfolio (each bond has a principal of $1000):

term to maturity	30 years	25 years	15 years
coupon rate	8%	7.25%	5%
payment schedule	annual	semi-annual	monthly
current mkt price	$1120	$985	$1050
years to first call	20	18	6

call price $1100 $1020 $1050

(a) (6 points) Determine the yield to maturity for each of the 3 bonds.

(b) (6 points) Determine the yield to call for each of the 3 bonds.