You observe that currently a 1-year bond has an interest rate of 1.20% while a 2-year bond has an interest rate of 2.50%. This means that, according to the expectations theory (no liquidity premium), market participants expect the 1-year interest rate in one year from now to be? Show work please

If the current 1-year interest rate is 3% and the current interest rate on a 2-year bond is 4%, what is the expected 1-year rate starting a year from today? Show work please