8. Personnel costs
08
| RUB million | 2011 | 2010 |
|---|---|---|
| Cost of sales | (11,078) | (8,789) |
| Administrative expenses | (3,334) | (2,809) |
| Selling expenses | (537) | (461) |
| (14,949) | (12,059) |
Personnel costs include salaries and wages, social contributions and current pension service costs.
Notes to the Consolidated Financial Statements
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