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

r1 = 6.3% r2 = 6.7% r3 = 7.4% r4 = 8.2%

Assuming a constant real interest rate of 2 percent, what are the approximate expected inflation rates for the next four years? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.)

I1 %

I2 %

I3 %

I4 %