MC Qu. 10 Unbiased Expectations Theory Suppose that the current one-year. Unbiased Expectations Theory Suppose that the current one-year rate (one-year spot rate) and expected one-year T-bil ates over the following three years (Le, years 2, 3, and 4, respectively) are as follows Using the unbiased expectations theory, what is the current (ong term) rate for four-year-maturity Treasury securities? 71970% 72000% 0 82000% 19900%