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Selected current year-end financial statements of Cabot Corporation follow. (All sales were on credit; selected balance sheet amounts at December 31 of the prior year were inventory, $50,900; total assets, $199,400; common stock, $81,000; and retained earnings, $49,838. Required: Compute the following: (1) current ratio, (2) acid-test ratio, (3) days' sales uncollected, (4) inventory turnover, (5) days' sales in inventory, (6) debt-to-equity ratio, (7) times interest earned, (8) profit margin ratio, (9) total asset turnover, (10) return on total assets, and (11) return on equity. Compute the times interest earned. Compute the profit margin ratio. Compute the total asset turnover. Compute the return on total assets. Compute the return on equity