Sanders, speaking to the State Journal, called Clinton’s criticism “dead wrong.”

“Every proposal that we have is paid for,” Sanders said. “The difference between Secretary Clinton and myself is we are prepared to take on the large multinational corporations.

“We are prepared to take on the drug companies. We are prepared to take on Wall Street.”

Sanders added: “If you are prepared to do that, you can raise the funding that we need” for his proposals.

The exchange comes as Sanders and Clinton jockey for support in Wisconsin days before Tuesday’s primary.

Experts have said a substantial Sanders win in Wisconsin could preserve a plausible — if unlikely — path to the Democratic nomination for Sanders.

A Clinton win, they said, could boost pressure on Sanders to bow out of the race.

A tight race in Wisconsin

A Marquette Law School Poll released Wednesday showed Sanders narrowly leading Clinton in Wisconsin, 49 percent to 45 percent. That lead falls within the poll’s margin of error. Other recent polls also have shown a close race.