With the system the way it is now, it pays handsomely to be poor and not work!
...so I don't know if your idea would motive those satisfied with the 'reparations' they are currently receiving?
You must be familiar with the St Louis Federal Reserve Web-site.
They have an inflation calculator—just type in the amount and the date and you get equivalent current dollar cost.
Not that most people could care less. 10.00 an hour in 1975 was 43.20 an hour two years ago.