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, $189,400; common stock, $82,000; and retained earnings, $45,875.)

CABOT CORPORATION Income Statement For Year Ended December 31, 2015
Sales	$	452,600
Cost of goods sold		298,350
Gross profit		154,250
Operating expenses		98,900
Interest expense		4,400
Income before taxes		50,950
Income taxes		20,525
Net income	$	30,425

CABOT CORPORATION Balance Sheet December 31, 2015
Assets				Liabilities and Equity
Cash	$	12,000		Accounts payable	$	16,500
Short-term investments		8,800		Accrued wages payable		3,800
Accounts receivable, net		32,200		Income taxes payable		3,100
Notes receivable (trade)*		5,000		Long-term note payable, secured
Merchandise inventory		38,150		by mortgage on plant assets		67,400
Prepaid expenses		2,650		Common stock		82,000
Plant assets, net		150,300		Retained earnings		76,300
Total assets	$	249,100		Total liabilities and equity	$	249,100

* 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.