David Brown has $$26,477\mathrm{.}00$ invested in American Cyanamid, $$18,386\mathrm{.}00$ in Gannett Company, and $$17,655\mathrm{.}00$ in Texas International. If American Cyanamid has an expected return of $19\mathrm{.}48\%,$ Gannett an expected return of $20\mathrm{.}39\%,$ and Texas International an expected return of $20\mathrm{.}59\%,$ what is the portfolio's expected return? $($Answer the number of percentage, e$.$g$,$ if your answer is $10\%,$ answer $10$ in the answering area. Do not round intermediate calculations. Round your answer to $2$ decimal places.$)$