One bond has a coupon rate of 7.2%, another a coupon rate of 8.6%. Both bounds pay interest annualy have 14-year maturities, and sell at a yield to maturity of 8.0%. If there yields to maturity next year are sill 8 0%. what the rate at return on each bond? (Do not round Intermediate calculations Enter your answers as a percent rounded to 1 decimal place.)