Following is the income statement information from Apollo Medical Devices.
($ in thousands) 2020
Net sales $4,163,770
Cost of sales before special charges 1,382,235
Special inventory obsolescence charge 27,876
Total cost of sales 1,410,111
Gross profit 2,753,659
Selling, general and admin expense 1,570,667
Research and development expense 531,086
Merger and acquisition costs 46,914
In-process research and development charges 12,244
Litigation settlement 16,500
Operating profit 576,248
Interest expense (57,372)
Interest income 2,076
Gain on disposal of fixed assets 4,929
Impairment of marketable securities (5,222)
Other income (expense), net (2,857)
Earnings before income taxes 517,802
Income tax expense 191,587
Net earnings $326,215
Required: Identify the components that we would consider operating.