The following is a list of some of the balance sheet accounts and all income statement accounts for Aldine Inc. as they appear on the company's adjusted trial balance.

Accounts payable	$10,000
accounts receivable	11,000
Inventory	20,000
advertising expenses	12,000
cost of goods sold	89,000
Shipping costs	6,000
Income from tax expenses	2,000
insurance costs	1,000
Rental costs	12,000
sales revenue	160.000
sales discounts	11,000
Sales returns and discounts	19,000

What would be the gross profit percentage ?