Some summary charts, claiming $750 in per-capita benefits by 2050, breaking even in 8 years: <a href="http:&#x2F;&#x2F;equitablegrowth.org&#x2F;report&#x2F;prek-snapshot-us&#x2F;" rel="nofollow">http:&#x2F;&#x2F;equitablegrowth.org&#x2F;report&#x2F;prek-snapshot-us&#x2F;</a>