Consider the following spot interest rates for maturities of one, two, three, and four years.
r1 = 5.1% r2 = 5.8% r3 = 6.3% r4 = 7.3%
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?
f1,1 = ; f1,2 _ ; f1,3 =