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:
- $50$
- $80$
- $20$
- $10$
- $0$