please do it on spreadsheet

QUESTION 3 Assume you are a professional manager of large stock portfolios and use computer models based on nonlinear programming to guide them. Investors are concerned about both the expected return and the risk. One way of formulating their approach is as a nonlinear version of a cost-benefit trade-off problem: Minimize Risk subject to Expected return 2 Minimum acceptable level . Consider a portfolio with 3 stocks. Risk Joint Risk Expected Pair of Stock (Standard per Stock Return Stocks Deviation) (Covariance) 20% 28% 1 and 2 0.06 2 25% 45% 1 and 3 -0.015 3 896 5% 2 and 3 -0.010 Question: Please provide excel model and solution for the following questions. a. What is the portfolio that will minimize the risk subject to achieving at least an 15% expected return? b. If you want to ignore the risk, what is the maximum expected return rate if you build the portfolio with these 3 stocks 7 How you can achieve it (What fraction of the money should be put on each stocks)? 1 Attach File Browse My Computer Browse Content Collection Browse Dropbox