The Filzinger Corporations December 31, 2016 year-end trial balance contained the following income statement items:

Account Title	Debits		Credits
Sales revenue			6,800,000
Interest revenue			77,000
Gain on sale of investments			59,000
Cost of goods sold	4,200,000
Selling expenses	490,000
General and administrative expenses	948,000
Interest expense	30,000
Research and development expense	500,000
Income tax expense	152,000

Required:

Calculate the companys operating income for the year using a single-step income statement format.

Please show work