Washington (CNN) Freshman Rep. Katie Porter stumped multimillionaire JPMorgan Chase CEO Jamie Dimon during a hearing Wednesday with a simple question: How are workers supposed to make ends meet?

The back-and-forth occurred during a House Financial Services Committee hearing featuring the CEOs of several major banks on Wednesday. Porter, a California Democrat, shared the story of a JPMorgan Chase employee -- making a fraction of what the company's top executives are paid -- who is running a $567 deficit each month because her salary is insufficient to cover basic expenses.

"How should she manage this budget shortfall while she's working full-time at your bank?" Porter asked Dimon.

"I don't know that all your numbers are accurate, that number is generally a starter job --" he said.

"She is a starting employee, she has a 6-year-old child, this is her first job," Porter said.

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