Functions are predefined formulas already available within Excel. By using them within a portfolio, Excel will do the needed financial calculations. Include the following functions within your project workbook. Use the SUM function to add the cost paid for each stock in your portfolio. Find the AVERAGE, MINIMUM, and MAXIMUM (using the appropriate functions) of: number of stocks purchased purchase price of each stock price paid for all stocks in your portfolio Perform a simple conditional analysis by using at least one logical function (i.e., IF, AND, OR...). Apply the test on only cells that contain data. For example, show whether the purchase price of one stock is higher or lower than the average purchase price of all stocks