27 The existence of a risk-less security in the risk & return trade-off a. Does NOT influence investors preferences regarding which risky portfolio to hold. b. Results in investors all holding different portfolios of risky assets, depending on their individual risk preferences. c. Results in investors all holding the same portfolio of risky assets, which corresponds to the tangency point of the officient portfolio frontier of risky assets and a line through the risk-less asset's retum. d. None of the above. e. none of the above. 28 Assume the risk free rate is 4.5% and the expected return on the market is 14%. Based on me CAPM, what should be the rate of return for security having a beta of 1.257 A. 11.88% b. 16.38 c. 18.5 d. 17.5 e. 22 29 How many different portfolios could be formed with only 2 assets? a1 b. 2 c. 4 d. 16 e. An infinite number