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Calculate the following based on the given data:

1. Gross profit in $

2. Operating income in $

3. Net income in $

Problem data: Accounts receivable Selling, general, admin expenses Accumulated depreciation Net Sales Research and development expense:s Extraordinary gain from sale of unused land Cost of goods sold Net cash flow from investing activities Loss from discontinued operations Provision for income taxes Interest expense $159,000 $110,000 $750,890 $989,000 $89,000 $51,000 $559,000 $210,000 $32,000 $35,000 $126,000