11. Other operating costs

 period ended 31/12/2013period ended 31/12/2012
Loss on disposal of non-financial assets 7,335 109
Revaluation of assets, of which: 12,717 10,907
- Provision for impairment of fixed assets 2,807 5380
- Provision for impairment of trade and other receivables 4,895 3,798
- Provision for impairment of inventories 5,015 1,729
Establishment of reserves 5,957 2,367
Cost of inventory liquidation 1,353 1,166
Inventory shortages 9 6
Costs of liquidation 177 1850
Other costs 4,615 3,195
Total 32,163 19600