The increase in interest expense is primarily due to interest on our borrowing under our new credit facility used in the acquisition of Enobia in February 2012.Income TaxesDuring the three and nine months ended September 30, 2012, we recorded an income tax provision of $48,586 and $116,446 and an effective tax rate of 34.5% and 40.1%, compared to an income tax provision of $107 and $28,445 and an