Mayor Wu has yet to officially launch her reelection campaign, but she couldn’t ask for a bigger stage to show why she deserves four more years.

Wu emerged from the marathon hearing largely unscathed, and managed to land a few hits in the face of aggressive questioning.

The firm charged a rate of $950 per hour, and the city “expects to pay” up to $650,000 for work related to the hearing.

Mayor Michelle Wu’s fiery confrontation with Congress on Wednesday centered on Boston’s Trust Act, which spells out how and when police officers should interact with federal immigration authorities.