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					190,000
Merchandise inventory					360,000
Prepaid expenses					7,000
Total current assets					581,000
Property and equipment, net					890,000
Total assets				$	1,471,000
Liabilities and Stockholders' Equity
Liabilities:
Current liabilities				$	210,000
Bonds payable, 8%					390,000
Total liabilities					600,000
Stockholders equity:
Common stock, $10 par value				$	150,000
Retained earnings					721,000
Total stockholders equity					871,000
Total liabilities and stockholders' equity				$	1,471,000

Castile Products, Inc. Income Statement For the Year Ended December 31
Sales	$	2,270,000
Cost of goods sold		1,220,000
Gross margin		1,050,000
Selling and administrative expenses		580,000
Net operating income		470,000
Interest expense		31,200
Net income before taxes		438,800
Income taxes (30%)		131,640
Net income	$	307,160

Account balances at the beginning of the year were: accounts receivable, $170,000; and inventory, $270,000. All sales were on account. Assets at the beginning of the year totaled $1,050,000, and the stockholders equity totaled $685,000.

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).)