Robin Hood Foundation's NYC Benefit Raises $54.5 Million

The Robin Hood Foundation, which combines investment principles with philanthropy to combat poverty in New York City, recently held a successful gala event. The event raised $54.5 million, bolstered by a $15 million challenge grant from billionaire Ken Griffin. The funds will be used to fight poverty under the leadership of incoming CEO Westmore. The foundation ensures that 100% of donations go directly to those in need, highlighting the importance of community involvement and giving back.

What was the challenge grant amount provided by Ken Griffin?

What does Robin Hood Foundation do with the overhead costs according to the text?