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Mark Cuban makes $10 million pitch to Donald Trump

Dallas Mavericks owner Mark Cuban has pitched a $10 million deal to Republican presidential nominee Donald Trump.

In return for a four-hour interview, Cuban said he would cut a check to Trump's charity of choice. Cuban has publicly endorsed Democratic presidential nominee Hillary Clinton and has been a vocal critic of Trump.

Ground rules of the interview are that Trump would have to focus on "the details and facts" of his policies, Cuban tweeted.

The "Shark Tank" star promised that the interview would be conducted by Cuban along with a broadcast crew.

Cuban gave Trump an "option" to keep the check for himself instead of a charity, referencing a Washington Post report that revealed the GOP nominee has not donated to his own foundation since 2008.

Cuban ended his tweet storm by asking Trump what he had to lose by agreeing to the interview.

Trump's campaign did not immediately respond to CNBC's requests for comment.

Disclosure: CNBC owns the exclusive off-network cable rights to "Shark Tank," which features Mark Cuban as a judge.