In general, how can financial ratios and common size statements extend your understanding of financial statements? What questions or concerns do the time series of ratios in case Exhibit 3 raise? What questions or concerns do the ratios on peer firms in case Exhibits 6 and 7 raise? For Exhibit 6 pay particular attention to Receivables. (Hint: Exhibit 6 is for the industry, not Oracle alone. You need to calculate Oracles comparable number(s).) Are there any concerns about the usefulness of Exhibits 6 and 7?