Selected year-end financial statements of Cabot Corporation follow. (All sales were on credit; selected balance sheet amounts at December 31, 2016, were inventory, $54,900; total assets, $169,400; common stock, $87,000; and retained earnings, $35,579.)

CABOT CORPORATION Income Statement For Year Ended December 31, 2017
Sales	$	450,600
Cost of goods sold		298,150
Gross profit		152,450
Operating expenses		98,700
Interest expense		4,900
Income before taxes		48,850
Income taxes		19,679
Net income	$	29,171

CABOT CORPORATION Balance Sheet December 31, 2017
Assets				Liabilities and Equity
Cash	$	8,000		Accounts payable	$	17,500
Short-term investments		9,200		Accrued wages payable		3,600
Accounts receivable, net		31,400		Income taxes payable		3,400
Notes receivable (trade)*		7,500
Merchandise inventory		32,150		Long-term note payable, secured by mortgage on plant assets		62,400
Prepaid expenses		3,100		Common stock		87,000
Plant assets, net		147,300		Retained earnings		64,750
Total assets	$	238,650		Total liabilities and equity	$	238,650

* These are short-term notes receivable arising from customer (trade) sales. 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 common stockholders' equity. (Do not round intermediate calculations.)