Company: Sony Corporation

Item	Amount (in millions)
Revenue	$79,216
Cost of Goods Sold (COGS)	$53,100
Gross Profit	$26,116
Operating Expenses	$15,600
Operating Income	$10,516
Interest Expense	$1,500
Income Tax Expense	$2,100
Net Income	$6,916

Questions:

1. What is Sony's gross profit margin?
2. Calculate Sony's operating profit margin.
3. Determine Sony's net profit margin.
4. If Sony’s total assets are $160,000 million, what is the return on assets (ROA)?

What is the return on equity (ROE) if Sony’s total equity is $50,000 million?