The Corporate Marketing and Sales Spend Landscape is an infographic about publicly traded companies and how much revenue they spend on sales & marketing. The general rule of thumb, based off of a 2014 Gartner Research study, is that a company should invest 10% of their revenue into marketing. However, a 2014 CMO survey, published by the American Marketing Association and Duke University, came to find that the 10% rule isn’t true for all types of companies.