You are examining a portfolio composed of 33% money-market investments, 9.5% bonds, and 57.5% stocks. Last year, the return on the money-market investments was 4%; the return on bonds was 9%, and the return on stocks was -11%. What is the portfolio weighted average return?
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A. B. C. D.B
The portfolio weighted-average mean return is equal to the sum (as i goes from 1 to n) of w_i * X_i, where w_i is the percentage weight in the portfolio of the ith asset, and X_i is the investment return of the ith asset. Here, we get a weighted mean of 0.33 * 0.04 + 0.095 * 0.09 + 0.575 * -0.11 = -4.15%.