Consider the following spot interest rates for maturities of one, two, three, and four years.

r₁ = 5.6% r₂ = 6.2% r₃ = 6.9% r₄ = 7.7%

What are the following forward rates, where f_{1, k} refers to a forward rate for the period beginning in one year and extending for k years?

f_1,1 %

f_1,2 %

f_1,3 %

Please don't answer unless you are sure that your answer is correct.