beta is the equal-weighted average of the betas of each security in the portfolio III. Beta is equal to the covariance between the portfolios return and the market return, Cov(r_p,r_m) IV. If a portfolio has the same systematic risk as the market portfolio, it must have a beta of zero. V. Beta is not affected by the extent of leverage among component securities A. I ONLY B. I and II C. I, Il and III D. V only E. I, II, III and V
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