The line chart compares and contrasts data on the changes in the expenses on 
cell
 and residential Use synonyms
phone
 Use synonyms
services
 over a 10-year Use synonyms
period
 from 2001 to 2010.
Use synonyms
Overall
, the expenditure on Linking Words
cell
 Use synonyms
phone
 Use synonyms
services
 increased, Use synonyms
while
 Linking Words
on 
residential Change preposition
apply
phone
 Use synonyms
services
 decreased throughout the Use synonyms
period
.
There was a $500 difference between expenditure on Use synonyms
cell
 and residential Use synonyms
phones
 and the highest spending Use synonyms
were
 on Change the verb form
was
cell
 Use synonyms
phones
 at the beginning of the Use synonyms
period
, Use synonyms
while
 Linking Words
at the end
 the difference was about $300 and the highest Linking Words
spends
 Replace the word
spending
were
 on mobile Correct subject-verb agreement
was
phones
. The highest point of expenses on Use synonyms
cell
 Use synonyms
phones
 Use synonyms
were
 Change the verb form
was
at the end
 of the Linking Words
period
 Use synonyms
and 
Correct word choice
apply
it
 was about $750, at the same time on the residential at the beginning and was $700. In 2006, Correct pronoun usage
which
Correct article usage
the values
values
 of money spent on Fix the agreement mistake
value
cell
 and residential Use synonyms
phone
 Use synonyms
services
 Use synonyms
were
 equal and Correct subject-verb agreement
was
were
 about $520.Correct subject-verb agreement
was