Suppose that the current one-year rate and expected one-year T-bill rates over the following three years (e years 2, 3, 4, respectively, we as follow IRI - 1.349, E(21) -3.95%, E(3rl) - 6,95%, E(Art) - 7.51% Using the unbiased expectations theory, calculate the current (long-term) rates for four-year-maturity Trekvary securities (Write your answer in percentage and round it to 2 decimal places)