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Income Taxes
6 Months Ended
Jun. 30, 2011
Income Taxes  
Income Taxes

8. Income Taxes

Income tax expense for the six months ended June 30, 2011 and 2010 was $5.5 million and $2.8 million, respectively. The effective tax rate for the six months ended June 30, 2011 and 2010 was 39.1% and 36.0%, respectively. Our tax rate is subject to change based on changes in the mix of assets leased to domestic and foreign lessees, the proportions of revenue generated within and outside of California and numerous other factors, including changes in tax law.