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S 5. Suppose A is the market portfolio with expected return m = 5% and standard deviation of return Om = 1 and B is an efficient portfolio with expected return g = 7% and standard deviation of return = 1.5. (a) Determine the return of riskless asset. [5 marks] (b) If there exists another portfolio C with Bc = 2, what condition is needed in order to obtain its standard deviation oc using capital market line? Compute o assuming the necessary condition holds. [5 marks] 5 Need 100 percent perfect answer in 20 minutes.Please please solve quickly i will rate positive. please solve quickly