4 Suppose that the current 1-year rate (1-year spot rate) and expected 1-year T-bill rates over the following three years (i.e., years 2, 3, and 4, respectively) are as follows: 5 points 1R1 = 2.94%, E(201) = 4.30%, E(3r1) = 4.80%, E(471) = 6.30% Using the unbiased expectations theory, calculate the current (long-term) rates for one-, two-, three-, and four-year-maturity Treasury securities. (Do not round intermediate calculations. Round your answers to 2 decimal places.) eBook Years Current (Long-term) Rates % 100 1 Hint 2 % 3 % Print 4 %