Which of the following statements on working capital is correct? Multiple Choice Working capital is calculated as current assets divided by current liabilities. Working capital is calculated as current assets multiplied by current liabilities. Working capital is calculated as current assets plus current liabilities A negative working capital indicates that the firm might have a liquidity problem. Time-series analysis is a comparison of information for a specific company over a period of time to determine changes in operations. True or False True False Which of the following ratios is required by GAAP? Multiple Choice Return on assets (ROA). Dividend yield ratio. P/E ratio. Earnings per share