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1. Tesla and General Motors are big names in the automotive industry. The following data are for the actual returns on shares of Tesla and that of General Motors: Year Tesla (% ) General Motors (%) 15 18 2 25 22 12 20 Required: a. Calculate the expected return, standard deviation and coefficient of variation for each share over the three year period. (2.5+2.5+2) b. An investor is considering investing in both shares in the following proportion: investment in Tesla is double of that of investment in General Motors. i) Calculate the expected return of this portfolio investment (GT). (3) ii) Calculate the standard deviation of this portfolio investment (GT). (3) iii Calculate the coefficient of variation of this portfolio investment (GT). (2) iv) Interpret the coefficient of variation of the portfolio to help make sound decision. (2)