Pandora Corporation operates several factories in the Midwest that manufacture consumer electronics. The December 31, 2021, year-end trial balance contained the following income statement items: 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 Debits Credits $13,100,000 56,000 $ 106,000 6,260,000 626,000 1,580,000 46,000 1,260,000 906,000 Required: Calculate the company's operating income for the year. Total operating revenue Less operating expenses: 0 0 Operating income $ 0