Money

The Rules of Campaign Cash

Presidential elections cost a lot of money, and recent changes in the law have made it hard to keep track of all the various ways campaigns are funded. The 2012 presidential election cost $2.6 billion, according to estimates by the Center for Responsive Politics. Here's how money is raised by candidates, parties and groups that want to influence the election:

http://www.bloomberg.com/politics/graphics/2015-rules-of-campaign-cash/