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You own a portfolio that has $2,000 invested in Stock A and $3,100 invested in Stock B. Assume the expected returns on these stocks are 10 percent and 16 percent, respectively. Required: What is the expected return on the portfolio? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).) Expected return on the portfolio % You own a portfolio that is 18 percent invested in Stock X, 33 percent in Stock Y, and 49 percent in Stock Z. The expected returns on these three stocks are 11 percent, 14 percent, and 16 percent, respectively. Required: What is the expected return on the portfolio? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).) Expected return on the portfolio % You own a stock portfolio invested 16 percent in Stock Q, 24 percent in Stock R, 36 percent in Stock S, and 24 percent in Stock T. The betas for these four stocks are.94, 1.00, 1.40, and 1.85, respectively. Required: What is the portfolio beta? (Do not round intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).) Portfolio beta A stock has an expected return of 16 percent, the risk-free rate is 6.4 percent, and the market risk premium is 7.3 percent. Required: What must the beta of this stock be? (Do not round intermediate calculations. Round your answer to 3 decimal places (e.g., 32.161).) Beta