COV-VAR E(r) Stocks Bonds Real Estate Stocks Bonds 12% 0.040 0.0048 0.005 6% 0.0048 0.0064 0.0012 Real Estate 7% 0.005 0.0012 0.01 (a) Calculate the expected return and standard deviation of a portfolio of Stocks, Bonds, and Real Estate. Assume the portfolio is comprised of all three assets, with 60 percen in Stocks, 35 percent in Bonds, and 5 percent in Real Estate. (b) Compute the Sharpe ratio for the portfolio in part (a). The risk-free interest rate is 4 percent.