3 pts Question 15 Your portfolio has provided you with returns of 26.3 percent, 19.8 percent, 4.6 percent, and 7.9 percent over the past four years, respectively. What is the geometric average return? 11.71 percent 10.25 percent 9.27 percent 8.06 percent 14.31 percent Question 16 3 pts Unsystematic risk is defined as the risk: that applies to an individual's portfolio that affects a small number of securities. derived solely from expected events. that affects the entire market. associated with unexpected events of any nature, Question 17 3 pts The risk premium for a security is based on the associated with the security unsystematic risk diversifiable risk systematic risk O total risk total surprise risk Question 18 3 pts A portfolio that is adequately diversified should produce a return which: 18. A portfolio that is adequately diversified should produce a return which: is equal to the risk-free rate plus the standard deviation times the market risk premium. is equivalent to beta multiplied by the market risk premium. is equal to the risk-free rate. lies at a point on the security market line given the portfolio's beta