Your annual income:

Annual income: 80000

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October 2008

Tax cut (p.a.) = 1460
Tax cut (per week) = 28.08
Old tax = 22470
New tax = 21010
Average tax rate (old) = 28.1%
Average tax rate (new) = 26.3%

April 2010

Tax cut (p.a.) = 2057.5
Tax cut (per week) = 39.57
Old tax = 22470
New tax = 20412.5
Average tax rate (old) = 28.1%
Average tax rate (new) = 25.5%

April 2011

Tax cut (p.a.) = 2870
Tax cut (per week) = 55.19
Old tax = 22470
New tax = 19600
Average tax rate (old) = 28.1%
Average tax rate (new) = 24.5%