David Brown has $18,128.00 invested in American Cyanamid, $25,567.00 in Gannett Company, and $28,121.00 in Texas International. If American Cyanamid has an expected return of 26.92%, Gannett an expected return of 15.36%, and Texas International an expected return of 16.44%, 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.)