Identifying Operating Income Components Following is the income statement information from Apollo Medical Devices. Identify the components that we would consider operating. $ thousandsIdentificationNet sales$4,163,770OperatingNonoperatingCost of sales before special charges1,382,235OperatingNonoperatingSpecial inventory obsolescence charge27,876OperatingNonoperatingTotal cost of sales1,410,111Gross profit2,753,659Selling, general and administrative expense1,570,667OperatingNonoperatingResearch and development expense531,086OperatingNonoperatingMerger and acquisition costs46,914OperatingNonoperatingIn-process research and development charges12,244OperatingNonoperatingLitigation settlement16,500OperatingNonoperatingOperating profit576,248Interest expense(57,372)OperatingNonoperatingInterest income2,076OperatingNonoperatingGain on disposal of fixed assets4,929OperatingNonoperatingImpairment of marketable securities(5,222)OperatingNonoperatingLoss on interest rate derivatives(2,857)OperatingNonoperatingEarnings before income taxes517,802Income tax expense191,587Net earnings$326,215