You are an investment adviser and you have been asked to advise Sarah on how to invest her $100,000 superannuation. You will choose between the following three investments Investment A Investment B Investment C State of economy Recession Normal Boom Standard deviation 0.1 -0.1 0.33 0.2152 -0.3 0.48 0.18 0.3934 0.105 0.105 0.105 The probability of a recession is 10% and of normal is 50% 1. What is the expected return of each investment? 2. What is the standard deviation of investment C? 3. Investments A and B have a covariance of -0.013. Jo can create investment Z by investing $60.000 in A and the rest in B. What would be the expected return and standard deviation of this portfolio