So I heard iPad Mini the first generation has been price dropped to $250 which is equivalent to £160 GPB but when I go on Apple's UK website, it still showing as £259? Does anyone know if it will be price dropped in UK?
US sales taxes are collected at the point of sale, by the retailer. Each state has their own rate with some counties adding more:
http://taxfoundation.org/sites/taxfoundation.org/files/UserFiles/Image/maps/sales_tax_large.png
Personal income taxes are collected biweekly and reconciled in April.