As a portfolio manager at a dynamic investment fund, you are assessing the potential investment in government bonds and corporate bonds, considering the current economic forecasts and market conditions. The latest economic reports suggest the following:

The real risk$-$free rate is currently estimated at $1\mathrm{.}5\%.$

Inflation is anticipated to average $2\mathrm{.}6\%$ over the next $3$ years.

A $3-$year Treasury bond is observed to yield $6\mathrm{.}7\%$ annually

Calculating the maturity risk premium for the $3-$year Treasury bond.