I need help with a quiz and forgot my book for Fundamentals of financial accounting

Based on the following income statement what is the Net Profit Margin Ratio?

Cinnamon and Spice., Inc.
Income Statement
As of Dec. 31, 200X
Revenue:
Sales	$180,000
Expenses:
Selling expense	84,000
Operating expense	18,000
Interest expense	11,000
Other expense	7,000
Total expense	120,000
Net Income	$60,000

33.33%

66.67%

3%

1.5%