Calculating The Expected Return–beta Relationship In An Economy

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Suppose there are two independent economic factors, M₁ and M₂. The risk-free rate is 5%, and all stocks have independent firm-specific components with a standard deviation of 56%. Portfolios A and B are both well diversified.

What is the expected return–beta relationship in this economy? (Do not round intermediate calculations. Round your answers to 2 decimal places.)