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SAN DIEGO — With the choice of a running mate and the Republican National Convention looming, presumptive GOP presidential nominee Donald Trump is scheduled to appear Wednesday evening at a Rancho Santa Fe fundraiser, where organizers hope to raise as much as $300,000 from some couples.

The event is scheduled at an unannounced private home in Rancho Santa Fe, hosted in part by diet guru Jenny Craig and Madeleine Pickens, ex-wife of Texas billionaire T. Boone Pickens. The two are listed as California co-chairs of Trump Victory.

Developer Doug Manchester, energy investor Doug Kimmelman and computer tycoon Darwin Deason are also listed as event chairs and/or leaders of Trump Victory.

According to an invitation posted online, it costs $100,000 per couple to be an event vice chair and take part in a VIP meeting and $300,000 per couple to be an event chair.

Part of the proceeds will go to the Republican National Committee, which will hold its convention beginning Monday in Cleveland.

Trump is believed to be getting close to naming a running mate. Reported front-runners include Indiana Gov. Mike Pence, New Jersey Gov. Chris Christie, and former House Speaker Newt Gingrich.

Separately, a motions hearing is scheduled Wednesday at the U.S. District Courthouse in San Diego on a pair of class-action lawsuits filed by former students of the defunct Trump University. A nationwide class-action lawsuit and a California class-action suit accuse Trump University of engaging in deceptive practices and scamming thousands of students who enrolled, thinking it would make them successful in the real estate market.

The proceeding will be held in the courtroom of U.S. District Judge Gonzalo Curiel, who Trump has sharply criticized, calling the Indiana-born former prosecutor a Mexican and asserting that his ancestry made him unfit to try the case. The statements on Curiel were widely condemned as racist, including by some Republican leaders.