hello, i need help with this question. A guaranteed thumps up for correct answer.

An investor owns a portfolio of $50,400 that con $12,600 in stock A, with an expected return of 12.6 percent; $16,800 in bonds, with an expected return of 8.6 percent; and the rest in stock B, with an expected return of 20.6 percent. Calculate the expected return of the portfolio. (Round intermediate calculations and the final answer to 2 decimal places, e. . 15.25%