Benefits of diversification. Sally Rogers has decided to invest her wealth equally across the following three assets: risk from her investment in the three assets? How do they compare with investing in asset M alone? Hint. Find the standard deviations of asset M and of the portfolio equally invested in assets M,N, and O. What is the expected refurn of investing equally in all three assets M,N, and O ? \% (Round to two decimal places.) Data table (Click on the following icon 0 in order to copy its contents into a spreadsheot.)