Fine. Again at today’s 10 xs equivalency’s:
1960
A $4,000,000 income would be left with $1,515,000 minus all the other brackets I did not calculate from the first dollar.
Over 4 mil – 91% ($0 tax)
Over 1.5 mil – 87% ($2,175,000 tax)
Over .5 mil – 62% ($310,00)
https://web.stanford .edu/class/polisci120a/immigration/Federal%20Tax%20Brackets.pdf