Understanding CAPM and the Security Market Line, part 3. If the risk free rate Rf =5%, the return on the market is Rm = 11%, and Beta for Stock i = 1.3, what is the expected return of E(Ri)IF investors express an increase in risk aversion that would cause Rm to increase by 3 percentage points, while Rf remains unchanged (Hint: This actually happened after the 2008 global economic weakening; investors lost money and were reluctant to reinvest in stocks, so they demanded higher returns when they did re-invest in stocks and eventually stocks rebounded, but many investors missed the rebound opportunities because their level of risk aversion was so high.)