Income Statements for Xcel Energy from 2020 to 2022 appear Required: 1. Enter the first table on an Excel sheet with the same format (the sheet name: IS-Draft) 2. Enter the second table into a new worksheet (same book/file) with the same format (the sheet name: IS) and fill all cells with correct formulas and functions. Assume that Cost of Revenue and Operation and Maintenance costs are variable. Depreciation and Other operating expenses are fixed costs. Ignore Other income when calculating EBT. 3. Calculate the degree of operating leverage for each year using the assumptions from part 1. 4. Calculate the degree of financial leverage for each of the three years. 5. Calculate the degree of combined leverage for each of the three years. 6. Create a line chart that shows how the various leverage measures have changed over this three-year period Xcel Energy, Inc. Annual Income Statements for the years 2020 to 2022 ( $ in millions) \begin{tabular}{llll} \hline 2020 & 2021 & 2022 \\ \hline \end{tabular} Revenue Variable Costs Fixed Costs Earnings Before Interest and Taxes Interest Expense Income Before Income Taxes Provision for Income Taxes Net Income Preferred Dividend Net Income Available to Common Shareholders Shares Outstanding Earnings per Share Tax Rate Leverage Measures Degree of Operating Leverage Degree of Financial Leverage DegreeofCombinedLeverage