The bonuses in August were probably due to him winning the nomination. http://www.nytimes.com/2012/08/29/us/politics/delegates-get-ready-to-anoint-romney-as-nom

The bonuses in August were probably due to him winning the nomination. http://www.nytimes.com/2012/08/29/us/politics/delegates-get-ready-to-anoint-romney-as-nominee.html http://www.nytimes.com/2012/08/29/us/politics/delegates-get-... He probably also had other unknown milestones throughout the campaign in an effort to keep staffers motivated.