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Which of the following statements is TRUE?A. By investing in varied and numerous assets, an investor is able to virtually eliminate all asset-specific risks in her portfolio, both easily and cheaply.B. It is possible, but not very easy, for an investor to control market-wide risks in his portfolio, and increases in these market-wide risks are costly because they reduce expected returns.C. The most important characteristic in determining the expected return of a well-diversified portfolio is the total variance risks of the individual assets in the portfolio.D. When a portfolio has a positive investment in every one of its assets, its standarddeviation cannot be less than that on every asset in the portfolio.

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