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

r₁ = 4.7% r₂ = 5.2% r₃ = 5.9% r₄ = 6.7%

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? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.)