Pandora Corporation operates several factories in the Midwest that manufacture consumer electronics. The December 31, 2018, year- end trial balance contained the following income statement items: Debits Credits 12,800,000 53,000 Account Title Sales revenue Interest revenue Loss on sale of investments Cost of goods sold Selling expenses General and administrative expenses Interest expense Research and development expense Income tax expense 103,000 6,230,000 623,000 1,550,000 43,000 1,230,000 903,000 Required: Calculate the company's operating income for the year. Total operating revenue Less operating expenses