Anna Moneymaker | Getty ImagesFormer President Donald Trump's recent proposal to replace the U.S. income tax with a tariff on all imported goods is a twist on a clarion call from conservatives — and it could come with unintended consequences. This week, Trump floated the concept of imposing an "all tariff policy," ultimately to eliminate the income tax, sources told CNBC. Entities like the Kemp Commission and Steve Forbes have commonly called to replace the income tax with a flat tax. Trump's proposal brings a new wrinkle to the movement, as it would replace the income tax with a levy on all imported goods. Simple math would suggest that the government may need to impose a 65% tax on all imported goods and services to raise the needed $2.5 trillion.

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Persons: Donald Trump, Anna Moneymaker, Donald Trump's, Trump, Steve Forbes, We've, Herbert Hoover Organizations: National Republican, Committee, Washington , D.C, Getty, —, CNBC, Kemp Commission, Smoot Locations: Washington ,, U.S, Hawley, China