Company: Microsoft Corporation

Item	Amount (in millions)
Revenue	$168,088
Cost of Goods Sold (COGS)	$56,200
Gross Profit	$111,888
Operating Expenses	$42,500
Operating Income	$69,388
Interest Expense	$1,800
Income Tax Expense	$10,500

Net Income

$57,088

Questions:

1. What is Microsoft's gross profit margin?
2. Calculate Microsoft's operating profit margin.
3. Determine Microsoft's net profit margin.
4. If Microsoft’s total assets are $320,000 million, what is the return on assets (ROA)?
5. What is the return on equity (ROE) if Microsoft’s total equity is $100,000 million?