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, $56,900; total assets, $209,400; common stock, $80,000; and retained earnings, $44,661.)

CABOT CORPORATION Income Statement For Current Year Ended December 31
Sales	$	453,600
Cost of goods sold		297,150
Gross profit		156,450
Operating expenses		99,300
Interest expense		4,000
Income before taxes		53,150
Income tax expense		21,411
Net income	$	31,739

CABOT CORPORATION Balance Sheet December 31
Assets				Liabilities and Equity
Cash	$	20,000		Accounts payable	$	15,500
Short-term investments		9,200		Accrued wages payable		3,600
Accounts receivable, net		29,000		Income taxes payable		3,700
Merchandise inventory		32,150		Long-term note payable, secured by mortgage on plant assets		64,400
Prepaid expenses		2,950		Common stock		80,000
Plant assets, net		150,300		Retained earnings		76,400
Total assets	$	243,600		Total liabilities and equity	$	243,600

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.)

NOTE: I do NOT want just answers, please. I'd really like the formulas you used to get your answers. Thank you. I need 1, 2, 3, then 8 through 11