Answer the following question based on the information given below.
The bar chart shows the revenue received, in million US Dollars (USD), from subscribers to a particular Internet service. The data covers the period 2003-2007 for the Unites States (US) and Europe. The bar chart also shows the estimated revenues from subscription to this service for the period 2008 – 2010.
The difference between the estimated subscription in Europe in 2008 and what it would have been if it were computed using the percentage growth rate of 2007 (over 2006), is closest to: