a. Why is it necessary to first compute financial ratios, common size statements, or percentage changes to analyze financial statements? Explain. b. What are two broad characteristics that financial statement analysis provides information about? c. Financial statements analysis is conducted by managers, equity investors, long-term creditors, and short- term creditors. What is the primary emphasis of each of these groups in evaluating ratios? d.Provide a couple of examples where common size statements or percentage change statements could be useful