Effective tax rates for 2009 federal tax returns in various income categories:
Adjusted gross income and tax rate:
$1-$5,000 -- 0.1 percent rate
5,000-10,000 -- 0.4 percent
10,000- 15,000 -- 1 percent
15,000- 20,000 -- 1 percent
20,000- 25,000 -- 2 percent
25,000- 30,000 -- 3 percent
30,000- 40,000 -- 4 percent