The line graph gives information about the average of users about expenditures on mobile phone and residential phone services each year in United States in the period of 2001 and 2010.
Overall, it is obvious that the percentage of consumers who use mobile phone services was more than residential phone while suburban services had less than users and it saw a significant decrease over the period of shown.
In 2001, the amount of consumers spent on an average ultilizing cell phones on their own purposes about $200, compared to nearly $700 on residential phone services. Over the following five years, the adequate on expense on phone service of residence witnessed a considerable reduction by roughly $550 whereas the expenditure on cell phones surged by approximately $500.
In the year of 2006, both kinds of phones had the same amount of money, spending about $500 on each, By 2010, the average of usage on smartphones experienced a sharp growth by constract there was steadily fall on phone services of exurb.
