Help with a) i and ii

a) Suppose that all stocks can be grouped into two mutually exclusive portfolios (with each stock appearing in only one portfolio): growth stocks and value stocks. Assume that these two portfolios are equal in size (market value), the correlation of their returns is equal to 0.6, and the portfolios have the following characteristics Volatility Expected(standard Value Stocks Growth Stocks | 12% 15% 24% The risk free rate is 3.5%. Assume that the market portfolio is a 50-50 combination of the value and growth portfolios above. i. Calculate the Sharpe ratio for the market portfolio. ii. Briefly explain what the Sharpe ratio is