Suppose we observe the three-year Treasury security rate (123) to be 5.6 percent, the expected one-year rate next year-on-to be 6.2 percent, and the expected one-year rate the following year-F(37)--to be 6.8 percent. If the unbiased expectations theory of the term structure of interest rates holds, what is the one-year Treasury security rate? (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16)) % One-year Treasury security rate