You have been provided the following data about the securities of three firms, the market portfolio, and the risk-free asset:

a. Fill in the missing values in the table.
b. Is the stock of Firm A correctly priced according to the capital asset pricing model (CAPM)? What about the stock of Firm B? Firm C? If these securities are not correctly priced, what is your investment recommendation for someone with a well-diversified portfolio?

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Security Firm A Firm B Firm C The market portfolio The risk-free asset Expected Return .10 .14 .15 .12 .04 Standard Deviation 38 回 74 18 0 (ii) (vi) Correlation* (0) .45 .32 (iv) (vii) Beta .90 1.35 (iii) (viii)