Assume coupons are paid annually. Here are the prices of three bonds with 10-year maturities:

Bond Coupon (%)	Price (%)
7	89.50
9	108.50
10	139.50

a. What is the yield to maturity of each bond? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)

Bond Coupon (%)	YTM
7	%
9	%
10	%

b. What is the duration of each bond? (Do not round intermediate calculations. Round your answers to 2 decimal places.)

Bond Coupon (%)	Duration
7	years
9	years
10	years