The following graph represents the relationship between the efficient set of possible portfolios and various investors. EXPECTED RATE OF RETURN (Percent) 10 8 Investor Green Investor Blue 2 Efficient Frontier 0 2 4 8 10 RISK Portfolio's standard deviation) Assuming that the black line represents the efficient frontier, which of the following best describes portfolios that lie to the left of this line? O Efficient Inefficient Unattainable O Indifferent On the preceding graph, the green and blue lines represent the indifference curves of two investors, investor Green and investor Blue. Which investor requires a lower risk premium? O Both investors have equal risk premium requirements. O Investor Green requires a lower risk premium. O Investor Blue requires a lower risk premium. O Not enough information is given. In terms of the investment, the highest level of satisfaction the investor can attain is represented by which part of the graph? The tangency between the investor's indifference curve and the efficient frontier The highest point of each investor's indifference curve O All points to the left of the efficient frontier The highest point of the efficient frontier The following graph represents the relationship between the efficient set of possible portfolios and various investors. EXPECTED RATE OF RETURN (Percent) 10 8 Investor Green Investor Blue 2 Efficient Frontier 0 2 4 8 10 RISK Portfolio's standard deviation) Assuming that the black line represents the efficient frontier, which of the following best describes portfolios that lie to the left of this line? O Efficient Inefficient Unattainable O Indifferent On the preceding graph, the green and blue lines represent the indifference curves of two investors, investor Green and investor Blue. Which investor requires a lower risk premium? O Both investors have equal risk premium requirements. O Investor Green requires a lower risk premium. O Investor Blue requires a lower risk premium. O Not enough information is given. In terms of the investment, the highest level of satisfaction the investor can attain is represented by which part of the graph? The tangency between the investor's indifference curve and the efficient frontier The highest point of each investor's indifference curve O All points to the left of the efficient frontier The highest point of the efficient frontier