1. According to the Unbiased Expectation Theory, the first year's one year interest rate is R 1=1.94%,and the expected one year rates for the following years are as follows, respectively. El zr 1)=3%, El gr 1) =3.74% and El T 1)=4.4%. The four year interest rate (given they are all default-risk free treasury securities), the four-year T Security interest rate is (annually) R =?% 4.0667 4,0981 4.256 4.123 4,0723 4.1650 4,1866 4,100