solve both

The efficient frontier of risky assets is: a. The portion of the minimum-variance portfolio that lies above the global- minimum variance portfolio b. The portion of the minimum-variance portfolio that represents the highest standard deviation The portion of the minimum-variance portfolio that includes the portfolios with C. the lowest standard deviation d. The set of portfolios that have zero standard deviation 6. Given an optimal risky portfolio with expected return of 6%, standard deviation of 23% and a risk free rate of 3%, what is the slope of the best feasible CAL? a. 0.64 b. 0.39 C. 0.08 d. 0.13 O92 5i11