b. An investment's Sharpe Ratio is its expected return in excess of the risk-free rate divided by its standard devian'on [(Average Return 1%) / Standard Devian'on in this case]. What portfolio of domestic equity and domestic bonds has the highest Sharpe Ratio? Find a precise answer with weights to the nearest tenth of a percent (e.g. 32.1%) using Excel's Solver. Please answer the following in no more than 4 to 5 sentences: Why when choosing a portfolio is it sensible to focus on the portfolio's expected return and standard deviation rather than the expected returns and standard deviations of individual stocks? Is there a reason that an investor might prefer the portfolio with the highest Sharpe Ratio