5. The efficient frontier graphs are shown below, talk about Modern Portfolio Theory and explain how the frontier is derived and why it is efficient. Make sure you talk about Sharpe Ratio from the second graph. Portfolio expected return Elr) Efficient frontier of risky assets Minimum variance portfolio Individual assets OP Portfolio standard deviation 0 1 0.16 014 012 010 expected retur Sharpe ratio BO 000 0.3 004 02 002 0.12 16 020 022 016 018 expected volatility