Assume coupons are paid annually. Here are the prices of three bonds with 10-year maturities: Bond Coupon (%) Price (%) 88.50 107.50 138.50 6 10 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 (%) 6 YTM 10 b. What is the duration of each bond? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Bond Coupon (%) 6 Duration years years years 10