David Brown has $25,821.00 invested in American Cyanamid, $29,370.00 in Gannett Company, and $28,304.00 in Texas International. If American Cyanamid has an expected return of 27.68%, Gannett an expected return of 15.80%, and Texas International an expected return of 16.41%, 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.)