For each vote she received in Tuesday’s preliminary election , Boston Mayor Michelle Wu’s campaign spent about as much as the cost of two pints of Boston Lager, plus tip, at the Samuel Adams Boston Taproom next to City Hall.

For her chief opponent, Josh Kraft, votes cost a bit more — closer to the price of tickets to the Red Sox for a family of four.

Wu took a massive step toward a possible reelection Tuesday, cruising through the city’s preliminary election with 72% of the vote in unofficial results. Kraft followed with 23%, moving on to face Wu in the November general election.

To achieve his second-place finish Tuesday and move forward, Kraft’s campaign spent nearly $5.6 million through early September, campaign finance records show.

Many of the largest checks the campaign has wri

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