Calculate the expected return and beta for your

Question

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If you have $6,000 invested in the ABC Corp., $11,000 in the XYZ Corp, $3,000 in the 123 Corp. and $5,000 in the DoReMi Corp., and their expected returns and betas are as follows:

Company             beta       expected return

ABC                       1.2                          18%

XYZ                         0.4                          8%

123                         1.1                          11%

DoReM i               0.9                          6.5%

Calculate the expected return and beta for your portfolio.