Selected year-end financial statements of Cabot Corporation follow. (All sales were on credit; selected balance sheet amounts at December 31, 2014, were inventory, $47,900; total assets, $199,400; common stock, $81,000; and retained earnings, $32,837.)

CABOT CORPORATION Income Statement For Year Ended December 31, 2015
Sales	$	453,600
Cost of goods sold		297,950
Gross profit		155,650
Operating expenses		99,500
Interest expense		4,300
Income before taxes		51,850
Income taxes		20,887
Net income	$	30,963

CABOT CORPORATION Balance Sheet December 31, 2015
Assets				Liabilities and Equity
Cash	$	12,000		Accounts payable	$	19,500
Short-term investments		9,000		Accrued wages payable		4,800
Accounts receivable, net		32,800		Income taxes payable		3,800
Notes receivable (trade)*		4,000		Long-term note payable, secured
Merchandise inventory		32,150		by mortgage on plant assets		69,400
Prepaid expenses		3,050		Common stock		81,000
Plant assets, net		149,300		Retained earnings		63,800
Total assets	$	242,300		Total liabilities and equity	$	242,300

* 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