Give me a complete explanation of portfolio diversification. GRAPHS must be a major part of your explanation and drawn please! Be sure to explain what each graph is showing! Start with the simple two$-$asset case and move to the more complex multi$-$asset case with the efficient frontier, the effect of the risk free rate on investor choices, the investor$$s indifference curve, and why all investors should end up choosing the market portfolio as the risky part of their portfolio.