The following information was taken from Crazy A Corporation financial statements as of the end of Year 2.

Net sales	$500,000
Cost of goods sold	300,000
Operating expenses	100,000
Interest expense	58,000
Income taxes expense	12,000
Total assets	180,000	Year 1 ending balance	$150,000
Total liabilities	120,000	Year 1 ending balance	$100,000
Total equity	60,000	Year 1 ending balance	$ 45,000

Crazy A's gross profit margin is: