In the context of the Capital Market Line (CML): Explain why the market portfolio is considered to be the optimal portfolio If an investor wishes to take on more risk than the market portfolio risk, explain the risk preference of this investor, and how this investor can invest in the assets available to achieve the desired higher risk level Also provide the comparison of the return & risk levels of this investors portfolio compared with those of the market portfolio Briefly explain the risk-adjusted measure based on the CML, and when this measure is appropriate to be used