An investor owns a portfolio of $54,900 that contains $13,725 in stock A, with an expected return of 13.1 percent; $18,300 in bonds, with an expected return of 9.1 percent; and the rest in stock B, with an expected return of 21.1 percent. Calculate the expected return of the portfolio. (Round intermediate calculations and the final answer to 2 decimal places, e.g. 15.25%.) Expected return