What is the operating income? And please calculate Operating Profit Margin

A A A Net Sales Costs of Goods Sold Depreciation Interest Expenses Income Taxes (25%) Net Income $ 2,700 2,350 $ 150 $ 96 26 A A $ 78 Balance Sheet 12/31/xx (in thousands of dollars) Cash Accounts Receivables Inventory Fixed Assets (Net) A A A A 150 250 600 $ 1,500 Accounts Payable Notes Payable Other Current Liabilities Long Term Debt Common Stock Retained Earnings A A A A A A 100 250 50 1,100 800 200 $ $ Number of Shares outstanding = Price per share = Dividends to Common Shares 10,000 shares $100 $58