You observe the following term structure: 1-year zero-coupon bond 2-year zero-coupon bond 3-year zero-coupon bond 4-year zero-coupon bond Effective Annual YTM 8. 3% 8.4 8.5 8.6 a. If you believe that the term structure next year will be the same as today's, calculate the return on (1) the 1-year zero and (ii) the 4-year zero. (Do not round intermediate calculations. Round your answers to 1 decimal place.) One year return on 1-year bond One year return on 4-year bonds % %