Overheads with income tax and social contribution increased by 26.8%, amounting to R$ 383.2 million in 2012, versus R$ 303.8 million at the end of 2011. The effective rate of income tax and social contribution increased by 31.2% in 2012, versus 24.9% in 2011, the change reflecting the reduced use of the tax benefit arising from the payment of interest on shareholders’ equity in 2012, as well as the reversal of the provision for the maintenance of the integrity of shareholders’ equity.