13 5 points The Filzinger Corporation's December 31, 2021 year-end trial balance contained the following income statement items: Account Title Debits Credits Sales revenue 6,500,000 Interest revenue 62,000 Gain on sale of investments 44,000 Cost of goods sold 4,285,000 Selling expense 190,000 General and administrative 908,000 expense Interest expense 22,000 Research and development expense 440,000 Income tax expense 137,000 01:57:53 eBook Required: Calculate the company's operating income for the year using a single-step income statement format. Income Statement Less operating expenses Operating income (loss)