The financial statements for Castile Products, Inc., are given below:

Castile Products, Inc. Balance Sheet December 31
Assets
Current assets:
Cash				$	24,000
Accounts receivable, net					170,000
Merchandise inventory					390,000
Prepaid expenses					9,000
Total current assets					593,000
Property and equipment, net					860,000
Total assets				$	1,453,000
Liabilities and Stockholders' Equity
Liabilities:
Current liabilities				$	220,000
Bonds payable, 12%					380,000
Total liabilities					600,000
Stockholders equity:
Common stock, $10 par value				$	150,000
Retained earnings					703,000
Total stockholders equity					853,000
Total liabilities and stockholders' equity				$	1,453,000

Castile Products, Inc. Income Statement For the Year Ended December 31
Sales	$	2,180,000
Cost of goods sold		1,180,000
Gross margin		1,000,000
Selling and administrative expenses		580,000
Net operating income		420,000
Interest expense		45,600
Net income before taxes		374,400
Income taxes (30%)		112,320
Net income	$	262,080

Account balances at the beginning of the year were: accounts receivable, $180,000; and inventory, $340,000. All sales were on account. Assets at the beginning of the year totaled $1,050,000, and the stockholders equity totaled $635,000.

Required:

Compute the following:

1.	Gross margin percentage. (Round your percentage answer to 2 decimal places (i.e., 0.1234 should be entered as 12.34).)

2.	Net profit margin percentage. (Round your answer to the nearest whole percentage place (i.e., 0.1234 should be entered as 12%).)

3.	Return on total assets. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).)

4.	Return on equity. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).)