The given line graph illustrates data on the average number of expenses made by cell phone and residential phone companies annually in the period from 2001 to 2010. The transactions are measured in dollars.
Overall, more people allocated money on cell phone services by the end of the years provided, while residential phone services became less of a preference, in the end.
In detail, the amount of money spent on cell phone services in 2001 commenced with 200 dollars before it climbed to 300 dollars for the subsequent two years. Starting from 2003, it pursued a considerable growth, reaching its highest amount in 2007 with roughly 750 dollars. Following this, the peak quantity was witnessed in 2010 with approximately 780 dollars.
Regarding residential phone services, almost 700 dollars were spent in 2001, despite it gradually plummeted afterwards until 2007 in which the amount became nearly 500 dollars. For the next three years, it still maintained the same level of decline until it reached 400 dollars in 2010.