White House budget chief Mick Mulvaney Mick MulvaneyMick Mulvaney to start hedge fund Fauci says positive White House task force reports don't always match what he hears on the ground Bottom line MORE said Monday that the administration supports "whatever" number of tax rates can pass through Congress.

“We favor whatever can pass,” Mulvaney told “CBS This Morning” when asked how many rates Trump would prefer in the tax overhaul.

“We like a simpler code, keeping in mind that the number of rates doesn’t really change the simplicity of the code for ordinary folks. They’re just simply going to turn to the booklet in the back of the tax book and fill out their taxes,” Mulvaney added.

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Mulvaney’s comments come after the Senate early Saturday passed a tax-reform bill that has seven tax brackets. The House bill, however, has four tax brackets.

Mulvaney in an interview Sunday and again on Monday expressed the White House’s willingness to negotiate over particular elements of the legislation in conference.

“If something small happens in conference that gets us across the finish line, we'll look at it on a case-by-case basis,” Mulvaney said Sunday in an interview on CBS’s “Face the Nation” when asked about the corporate tax rate.

While the Senate bill includes a 20 percent corporate tax rate, Trump suggested the possibility of a 22 percent rate over the weekend.