The line graph contains the annual expenses information on mobile phone and household phone services uses during 2001 to 2010.
In general, Y axis illustrates the annual prices in dollar, whereas, the X axis shows the recorded years. Furthermore, we can see that the graphs draw like an X cross where the amount of household phone expenses show the gradual decrease in every year, otherwise the cellular phone has increase promptly year by year.
Begin in 2001, mobile phone expenses has on the lowest point with frequently spent around $200. However, the residential phone services costs over 3 times higher which almost reach $700. In addition, the same point level on both expenses shows in 2006, where both of categories spent approximately $500 in that year, although the digital phone has continually to increase each term and reach the highest point of expenses in 2010 around $800. On the other side, household telephone services has decrease annually and reach the lowest point among entire residential phone recorded time with less than $400 spend.
