Consider the following spot interest rates for maturities of one, two, three, and four years. r1 = 3.8% r2 = 4.2% r3 = 4.9% r4 = 5.7% What are the following forward rates, where f1, 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.) f1,1 % f1,2 % f1,3 %