28 Yelena just completed her income statement. She included her company's sales revenue, operating expenses, and net income. Which of the four principle parts of an income statement did Yelena forget to include? Multiple Choice eBook profit Print O cost of goods sold taxes product returns payroll expenses Ratio analysis can be used to analyze a firm's performance compared to 29 Multiple Choice eBook its previous year's performance. Print its objectives. the industry as a whole. O its liquidity. O its profitability ratios determine how high the firm's profits are in relation to its sales, assets, or owners' equity. 30 Multiple Choice eBook Liquidity Print Activity O Profitability Debt to owners' equity Liability