President Donald Trump faces the challenge of convincing Republican senators, global investors, voters and even Elon Musk that he won’t bury the federal government in debt with his multitrillion-dollar tax breaks package.

Sens. Rand Paul of Kentucky, Ron Johnson of Wisconsin and Mike Lee of Utah reiterated their issues with the bill, which revolve around the deficit impact. The Congressional Budget Office has projected the legislation would add $2.3 trillion to the federal deficit over 10 years.