1. (TCO 7) The efficient frontier: (Points : 3) represents all possible portfolios for a given level of risk. separates unattainable portfolios from less than optimal portfolios. is different for every investor. More than one of the above 2. (TCO 7) Under Markowitz's theory, the ideal portfolio for an investor is represented by: (Points : 3) the point of tangency between the efficient frontier and the investor's indifference curve. the highest possible indifference curve. the highest possible point on the efficient frontier. None of the above