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Economic and financial performance | COSTS AND EXPENSES

In 2010, consolidated costs and expenses totaled R$654.8 million, representing 48.3% of net revenue.

The table below shows the breakdown of the administrative costs and expenses, in millions of Reais, for 2010/2009, respectively; the variations shown are due to the difference in the consolidation period between the two years.

COSTS AND EXPENSES (R$ MILLION) 2010   2009
Personnel 131.2   107.8
Conservation and maintenance 66.5   57.3
Outsourced services 81.5   61.8
Insurance and granting authority 49.8   36.2
Provision for maintenance 48.2   48.8
Construction costs 174.7   124.9
Depreciation and amortization 140.4   111.6
Others 63.6   49.6