Calculate the required rate of return for Mudd Enterprises assuming that investors expect a $5\mathrm{.}2\%$ rate of inflation in the future. The real risk$-$free rate is $1\mathrm{.}7\%,$ and the market risk premium is $9\mathrm{.}7\%.$ Mudd has a beta of $2\mathrm{.}2,$ and its realized rate or return has averaged $12\%$ over the past $9$ years.