6.8% with 6.8% inflation, according to that article. Edit: just got to the conclusion of this article, from 2014: "Many smart people in the industry are predic

6.8% with 6.8% inflation, according to that article. Edit: just got to the conclusion of this article, from 2014: "Many smart people in the industry are predicting lower investment returns over the next decade or so." Funny.