The given line graph illustrate the average annual spending on cell phone and residential phone services in thr year from 2001 to 2010.
In the year of 2001, spending on mobile phone services was starter at the cost of 200$. While, the annual spending on the residential phone services was around 700$. Over the period of 5 years there is a significant growth in cell phone service was approximately of 450$ annual expenses, whereas the cost of public phone service was about 650$.
In the year of 2006 both the cell phone and residential phone services come at same point of 550$ annual spending. However, the annual cost of mobile phone service was rosed to 700$ in the year of 2010. Meanwhile, the annual cost of public mobile service was decreased to 400$ at the end of 2010.
Overall, the spending on mobile service was sharply increased by the end of year. But, the cost of residential phone services has dramatically declined
