Based on econon-sts' forecasts and analysis, one-year Treasury bill rates and liquidity premiur 6 for the next four years are expected to be as follows: 1R1E(2r1)E(3x1)E(4r1)=0.331=0.7012=0.061=0.801z3=0.151=1.101z4=0.161 Calculate the yleld to maturity for four years. (Round your percentage answers to 2 decimal places. (e.g. 32.16))