Cost of Sales

Cost of sales for the year ended December 31 was as follows:

	2014 г.	2013 г.
Raw materials and consumables	3 080 247	3 384 212
Staff costs including social security	687 066	721 647
Energy and utilities	386 677	409 374
Depreciation and amortisation	252 048	266 218
Repairs and maintenance	118 165	136 403
Contracted manufacture	102 385	76 318
Freight	70 683	66 710
Taxes	40 081	44 769
Professional fees and services	39 358	39 736
Rent	15 101	13 338
Travel	3 159	3 415
Insurance	737	834
Communications	623	905
Other	3 744	5 593
Total production cost	4 800 074	5 169 472
Change in own finished goods and work in progress	3 883	(115 467)
Cost of sales of externally purchased goods	21 573	18 066
Obsolete stock, write-offs	13 940	2 240
Cost of sales	4 839 470	5 074 311