4. Prepare a balance sheet analysis of the bank, comparing 2007 B/S $ values to the most recently published B/S (either 2017 or 2018). Be sure to include the following items, in Excel spreadsheet format: a. % change in total assets, liabilities, and equity positions over this period b. Past and current leverage position of the investment bank, and % change over this period c. Comparison of book to market value of the bank, 2007 to current value