Amazon.com description: Product Description: An ideal reference for CPAs, controllers, bankers, CFOs, tax lawyers, financial analysts, investment advisors and corporate planners, this reference book from Schonfeld & Associates features 70 plus key financial ratios calculated from the latest income statement and balance sheet data available from the IRS. One page per NAICS industry (over 250 total) shows values for profitable firms versus firms with losses in up to four asset size classes. The extensive introduction fully describes each ratio, including how to calculate and interpret.