Revenue act of 1913.
Income Normal rate/Additional rate/Combined rate
0 1% 0 1%
$20,000 1% 1% 2%
$50,000 1% 2% 3%
$75,000 1% 3% 4%
$100,000 1% 4% 5%
$250,000 1% 5% 6%
$500,000 1% 6% 7%
Exemption at $3k (single) and $4k (joint). $20K put you in the lifestyle of the...