Use the following information to answer the questions:

Assets			Liabilities and Equity
Cash	12,000		Accounts payable	19,000
Marketable securities	2,000		Notes payable	6,000
Accounts receivable	7,000		Current liabilities	25,000
Inventory	42,000		Long-term debt	95,000
Current assets	63,000		Total liabilities	120,000
Machines	34,000		Paid-in capital	20,000
Real estate	80,000		Retained earnings	37,000
Fixed assets	114,000		Total equity	57,000
Total assets	177,000		Total liab. & equity	177,000

Line item	Value
Sales	72,000
- Operating expenses	59,040
- Depreciation	2,000
= EBIT	10,960
- Interest	800
= Taxable income	10,160
- Taxes (33%)	3,353
= Net income	6,807

Part 1: What is the operating margin? Part 2: What is the profit margin (aka net profit margin)? Part 3: What is the return on assets (aka return on total assets)? Part 4: What is the return on equity (aka return on common equity)? Part 5: What is the return on invested capital?