The current rates on Treasury securities are as follows: 1R1 = 4.33%, 1R2 = 5.25%, 1R3 = 5.55%, and 1R4 = 6.01%. If the unbiased expectations theory holds,
a) What does the market expect the one-year Treasury rate to be three years from now?
b) What does the market expect the one-year Treasury rate to be during year 3?
Please show me step by step how you got the answer.