It is $2021.$ Calculate the nominal rate of interest for a bond maturing in $25$ years given the following data:

Real Rate: $2\%$

Risk Premium: $4\mathrm{.}7\%$

Expected Inflation for $2022$: $5\mathrm{.}2\%$

Expected Inflation for $2023$: $4\mathrm{.}3\%$

Expected Inflation for $2024$: $3\mathrm{.}7\%$

Expected Inflation for $2025-$infinity: $2\mathrm{.}9\%$