(1pt) You own a stock portfolio invested 10% in Stock Q, 30% in Stock R, 40% in stock and 20% in Stock T. The betas for these four stocks are .5, . is the portfolio beta? 8, 1.4, and 2, respectively. What 4" (1pt) You own a portfolio with 20% invested in a risk-free asset and 40% invested in a stock with a beta of 1.4. The total portfolio is equally as risky as the market. What must the beta be for the other stock in your portfolio? (ip) A stock has an expected return of 8%, the risk-free rate is 3%, and the market risk premium is 7%, what must the beta of this stock be? 5. 6. (1pt) A stock has an expected return of 14%, a beta of 1.5, and the expected return on the market is 10%. What must the risk-free rate be