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TB MC Qu. 6-10 Unbiased Expectations Theory Suppose that the current one-year... Unbiased Expectations Theory Suppose thot the current one-year rate (one-year spot rate) and expected one-year T-bill rates over the following three years (i.e. years 2,3 , and 4 , respectively) are as follows: 1R1=6.608,E(2r1)=7.108,E(3r1)=8.108E(4r1)=8.608 Using the unbiased expectations theory, what is the current (long-term) rate for four-yeat-maturity Treasury securities? Multiple Choice 75970% 8.6000 76000% 2.0840