Can Jeb Bush raise the $17 billion he now needs to win the Republican nomination?

$14.1 million can buy you a lot in America.

But in Iowa, it bought Jeb Bush just a single delegate toward the 1,237 needed to win the Republican nomination for president.

At this rate, Jeb will need to spend approximately $17 billion to hit that threshold.

According to the Huffington Post, citing ad-buy data collected by Morning Consult, Bush and his super PAC, Right to Rise, spent about $14.1 million on ads in Iowa.

That is more than the $12.1 million Donald Trump has spent on his entire campaign so far, according to the New York Times.

By further comparison, Iowa Republican caucus winner Ted Cruz spent less than $1 million for each of his eight Iowa delegates, and Donald Trump and Marco Rubio spent approximately $500,000 and $2 million, respectively, for their seven.

Bush’s campaign has raised a total of $155.6 million, second only to Hillary Clinton, according to The New York Times. He may continue to raise a bit more, and polls suggest he’ll fare better in New Hampshire—though even there, he’s far behind first place, according to Real Clear Politics.

So barring an act of extremely charitable largesse, it’s unlikely he’ll be able to get much past $200 million. If he drops out, his campaign will thus rank among the most wasteful in history. By comparison, at this same time in the race eight years ago, Mitt Romney had raised a total of just $18 million on his way to the nomination.

Starr Companies, which at $10 million holds the title of being Jeb’s largest donor, did not immediately respond to a request for comment about Jeb’s Iowa performance.

Rob covers business, economics and the environment for Fusion. He previously worked at Business Insider. He grew up in Chicago.