2b. Show how you calculate sustainable operating cash flow for Enron Corporation for the year ended December 31, 2000. Explain any important assumptions you made in answering the question here. Assumptions made in calculating sustainable operating cash flow for the year ended: Year ended Dec 31, 2000 2c. Calculate the Commonly Used Ratios for Enron Corporation for the years ended December 31, 2000 and December 31, 1999. Note: For profitability ratios, first adjust for earnings quality issues. Use sustainable cash flow from operations (as computed in 2b. ) for cash flow from operations is all applicable ratios. Problem 3: Liquidity Risk 3. Identify other financial resources (i.e. other than assets, etc. ) at Enron's disposal and indicate the relevance of these resources to Enron's liquidity as of December 31, 2000. Address any concerns about off balance sheet obligations that will need to be met during the upcoming year. Also address any guarantees that Enron may be contingently liable for