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

Castile Products, Inc. Balance Sheet December 31
Assets
Current assets:
Cash	$	18,000
Accounts receivable, net		200,000
Merchandise inventory		330,000
Prepaid expenses		10,000
Total current assets		558,000
Property and equipment, net		820,000
Total assets	$	1,378,000
Liabilities and Stockholders' Equity
Liabilities:
Current liabilities	$	200,000
Bonds payable, 12%		340,000
Total liabilities		540,000
Stockholders equity:
Common stock, $10 par value	$	160,000
Retained earnings		678,000
Total stockholders equity		838,000
Total liabilities and stockholders equity	$	1,378,000

Castile Products, Inc. Income Statement For the Year Ended December 31
Sales	$	2,120,000
Cost of goods sold		1,220,000
Gross margin		900,000
Selling and administrative expenses		610,000
Net operating income		290,000
Interest expense		40,800
Net income before taxes		249,200
Income taxes (30%)		74,760
Net income	$	174,440

Account balances at the beginning of the year were: accounts receivable, $180,000; and inventory, $320,000. All sales were on account. Assets at the beginning of the year totaled $1,010,000, and the stockholders equity totaled $725,000.

Required:

Compute the following: (For Requirements 1 to 4, enter your percentage answers rounded to 2 decimal places (i.e., 0.1234 should be entered as 12.34).)

1. Gross margin percentage.

2. Net profit margin percentage.

3. Return on total assets.

4. Return on equity.