Surcharge	Effective Date
9.00 %	Sep. 6, 2010 - Oct. 3, 2010
9.50 %	Aug. 2, 2010 - Sep. 5, 2010
10.00 %	Jul. 5, 2010 - Aug. 1, 2010
12.00 %	Jun. 7, 2010 - Jul. 4, 2010