The line graph illustrates US consumers’ average yearly expenses on cell phone residential phone services between 2001 and 2010.
On the whole, it can be well-observed that residential phone services begin with a high expenditure in 2001; however, cell phone services show a low expense in this year. In addition, both phone services have changed their costs activity in 2006. Cell phone services show skyrocket consumption, although residential phone services show a gradual decline expenditure after 2006.
On the one hand, residential phone services have over three quarters expenses ( seven hundred dollars) in 2001. After 2001 residential phone services shows decrease and in 2006 their costs are just over a half (five hundred dollars). In 2010 residential phone services have a gradual decrease.
On the other hand, cell phone services have a tiny fraction expense ( two hundred dollars) in 2001 and comparison with residential phone services it can be well-recognized cell phone services have more expenditures than residential phone services. In 2006 cell phone services have the same as residential phone services just over a half outlay ( five hundred dollars). Cell phone services have a slight increase after 2006 and it reaches the apex level in 2010. 
The line graph illustrates US consumers’ average yearly expenses on  
cell
  phone
  residential
  phone
  services
 between 2001 and 2010. 
On the whole
, it can be well-observed that  
residential
  phone
  services
  begin
 with a high expenditure in 2001;  
however
,  
cell
  phone
  services
  show
 a low  
expense
 in this year.  
In addition
, both  
phone
  services
 have  
changed
 their costs activity in 2006.  
Cell
  phone
  services
  show
 skyrocket consumption, although  
residential
  phone
  services
  show
 a gradual decline expenditure after 2006.
On the one hand,  
residential
  phone
  services
 have over three quarters expenses  
( 
seven hundred  
dollars)
 in 2001. After 2001  
residential
  phone
  services
  shows
 decrease and in 2006 their costs are  
just
 over a half (five hundred  
dollars)
. In 2010  
residential
  phone
  services
 have a gradual decrease. 
On the other hand
,  
cell
  phone
  services
 have a tiny fraction  
expense
  ( 
two hundred  
dollars)
 in 2001 and comparison with  
residential
  phone
  services
 it can be well-recognized  
cell
  phone
  services
 have more expenditures than  
residential
  phone
  services
. In 2006  
cell
  phone
  services
 have the same as  
residential
  phone
  services
  just
 over a half outlay  
( 
five hundred  
dollars)
.  
Cell
  phone
  services
 have a slight increase after 2006 and it reaches the apex level in 2010.