G9 Operating expenses

	2020	2021
Cost of goods and material	–28,099	–31,902
Employee benefit expense	–23,928	–26,604
Depreciation and amortization	–5,515	–6,051
Impairment losses, inventories	–270	–300
Impairment losses and reversal impairment losses, non-current assets	–450	56
Impairment losses, doubtful receivables	–102	–91
Other expenses	–17,305	–16,658
Total	–75,668	–81,550

Other expenses mainly relate to purchases of services and consumables.