"CBO estimates that enacting this legislation would result in a net increase in the deficit totaling $367 billion over the 2022-2031 period, not counting any additional revenue that may be generated by additional funding for tax enforcement."<p>As one comparison, "[Steven Mnuchin's] own department’s analysts now peg the 10-year cost [of the Trump administration's tax cuts] at $2.3 trillion given the administration’s assumption that tax breaks for individuals and large estates will be extended past 2025." (Politico)<p>The spending deficit of the US government will be $2.8 trillion in 2021. $367 billion / 10 years = 1.3% of the 2021 deficit.