Suppose we observe the following rates: ₁R₁ = 6 percent, ₁R₂ = 7.5 percent. If the unbiased expectations theory of the term structure of interest rates holds, what is the one-year interest rate expected one year from now, E( ₂r₁)?

A. 7.50 percent

B. 6.75 percent

C. 13.5 percent

D. 9.02 percent