BALANCE SHEET
CURRENT ASSETS	CURRENT LIABILITIES
Cash	$5930	Account payable	$9047
Account receivable	$4970	Others	$1450
Inventory	$6821
FIXED ASSETS		Total long-term debt	$20347
Building & equipment	$35800

You have the following information from the Income Statement
Sales	$40086
Cost of goods sold	$15427
R&D expenses	$2127
Interest	$1652
Corporate tax	$1417

Calculate the Profit margin in percentage. Enter the two decimal numbers (such as 1234.56) without any sign and symbol.