Create an Excel spreadsheet that graphs the portfolio return and standard deviation combinations found in Problem 5.10 for Home Depot and Lowe’s.

Data From Problem 5.10

Use the table of annual returns in Problem 5.9 for Home Depot (HD) and Lowe’s (LOW) to create an Excel spreadsheet that calculates the average returns for portfolios that comprise HD and LOW using the following, respective, weightings: (1.0, 0.0), (0.9, 0.1), (0.8, 0.2), (0.7, 0.3), (0.6, 0.4), (0.5, 0.5), (0.4, 0.6), (0.3, 0.7), (0.2, 0.8), (0.1, 0.9), and (0.0, 1.0). Also, calculate the standard deviation associated for each portfolio.