New York Democratic congressional candidate Alexandria Ocasio-Cortez was pressed Sunday on her multi-trillion-dollar policy platform, which includes Medicare-for-all, housing as a federal right and cancellation of student loan debt.

CNN anchor Jake Tapper cited a conglomeration of think tanks -- some of which he noted to be left-leaning -- and said that the price tag for her platform could be as high as $40 trillion.

Tapper acknowledged that Ocasio-Cortez had also included a call to increase taxes on the wealthy and on corporations, which could gross about $2 trillion.

"So where is the other $38 trillion going to come from?" Tapper asked, adding that some of his own statistics came from the Center on Budget and Policy Priorities.

Ocasio-Cortez, who is running against St. John's University Prof. Tony Pappas (R-Queens) for a seat covering Astoria, Queens and much of the Bronx, responded that Medicare-for-all would "save the American people a very large amount of money."

She said that "every modern civilized democracy in the Western world" has some form of socialized medicine in that way.

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"These investments are... good for our future," she said.

"I get that," Tapper said. "But the price tag for everything you've laid out in your campaign is $40 trillion... That's quite a bit of money."

Ocasio-Cortez said that looking at how the American health care system works today, "much of these costs go into the private sector."

She said her plan would spur increased economic activity and get millennials more involved in the economy than they currently are.

"I'm assuming I'm not going to get an answer for that other $38 trillion," Tapper responded.

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