If the nominal interest rate is $8\mathrm{.}86\%,$ the expected inflation is $1\mathrm{.}36\%$ and the real rate of interests equals $2\mathrm{.}2\%,$ then the Risk$-$free rate must equal $q,\%.$ Round your answer to two decimals and enter your answer as a percentage number, for example, if your answer is $5\mathrm{.}24\%$ enter $5\mathrm{.}24$ only.