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Question 3 - Beta Coefficient [2 points]: Of the $10,000 invested in a two-stock portfolio, 40 percent is invested in Stock A and 60 percent is invested in Stock B. If Stock A has a beta equal to 2.0 and the beta of the portfolio is 1.4, what is the beta of Stock B? Question 4 - Portfolio Return (2 points]: Marvin has investments with the following characteristics in his portfolio: Investment Expected Retur. i Amount Invested ABC 30% $ 10.000 EFG 16% 50,000 QRP 40,000 -20% What is the expected return of Marvin's portfolio of investments, 1