13 5 points 01:35:51 eBook The Filzinger Corporation's December 31, 2021 year-end trial balance contained the following income statement items: Account Title Debits Sales revenue Credits 6,875,000 Interest revenue 77,000 Gain on sale of investments 59,000 Cost of goods sold 3,850,000 Selling expense 490,000 General and administrative expense 983,000 Interest expense 37,000 Research and development expense 740,000 Income tax expense 152,000 Required: Calculate the company's operating income for the year using a single-step income statement format. Less operating expenses: Operating income (loss) Income Statement