The market portfolio has an excess return of $6\%$ and volatility of $16\%.$ The risk free rate is $5\%.$ What is the minimum required return for a stock that has a volatility of $21\%$ and a market correlation of $0\mathrm{.}27.$

$($Your answer will be a percentage. Enter your answer as a whole number with two decimals. E$.$g$.$ if your answer is $12\mathrm{.}345\%,$ enter $12\mathrm{.}34.)$