evidence: Vice President Kamala Harris is pushing back on former President Donald Trump’s proposal for a 10%-20% tariff on imported goods. At the Democratic National Convention, Harris said his policy would cost U.S. consumers a hefty price tag. "He intends to enact what in effect is a national sales tax — call it a Trump tax — that would raise prices on middle-class families by almost $4,000 a year," the Vice President stated. [...] Trump has been forthcoming about increasing tariffs, which he has said will help save American jobs and factories. However, it could backfire for consumers. The Center for American Progress released a report stating a 20% tariff on imports could boost Americans’ costs by $3,900 per year, while the National Taxpayers Union concluded Trump’s original suggestion of a 10 percent tariff might cost households $3,942 per year. [...] The Trump Tax Is Not a National Sales Tax