Aye is a risk averse investor. She has a risk aversion coefficient (risk aversion level) of 4 and a utility function of U = E(r) 0.5 A 2 . She is evaluating the following 4 investments: Information about Investment 1 Expected Return: 0.21 Standard Deviation: 0.16 Information about Investment 2 Expected Return: 0.24 Standard Deviation: 0.21 Information about Investment 3 Expected Return: 0.12 Standard Deviation: 0.30 Information about Investment 4 Expected Return: 0.15 Standard Deviation: 0.50 Select the most appropriate choice: a. The utility of Investments 1 and 2 are negative for Aye. b. Since Aye has a risk aversion coefficient of 4, Investment 1 has the highest utility for her. Thus, if she has to select only one investment, she should invest in Investment 1. c. The utility of Investments 3 and 4 are positive for Aye. d. Since Aye has a risk aversion coefficient of 4, Investment 3 has the highest utility for her. Thus, if she has to select only one investment, she should invest in Investment 3. e. All of the choices are correct.