The line chart illustrates the changes of cost black,white and colour 
Use synonyms
TV
 in Jabnes Fix the agreement mistake
TVs
yen
 during the period between 1953 and 1973.Use synonyms
It is clear that
 black and white Linking Words
TV
 was Use synonyms
upward
 trend Add an article
an upward
in
 that time.Change preposition
at
Whereas
 ,Colour Linking Words
TV
 was a downward trend over the period.
Use synonyms
To begin
 with,white and black Linking Words
Use synonyms
TV
 stood at 100.000 Fix the agreement mistake
TVs
yen
 by 1953.After that,there Use synonyms
are
 a significant decrease in the cost in the next years.Throughout the period from 1963 and 1973,there was a stable change in the price Change the verb form
is
and 
Correct word choice
apply
reached
 approximately 30 Wrong verb form
reaching
yen
 in 1973.On Use synonyms
other
 hand,colour Correct article usage
the other
TV
 reached a peak at 1953 account by around 180 Use synonyms
yen
.Use synonyms
Then
 there was a slight drop Linking Words
at
 exactly 140 Change preposition
to
yen
 in 1963.After Use synonyms
which
, the figure declined dramatically and reached around 100 Correct pronoun usage
this
yen
 in 1973.
Use synonyms
Monthely
 salary average started Correct your spelling
Monthly
with
 almost 30 Change preposition
at
yen
.The number rose gradually in the next time.It reached Use synonyms
the
 highest point in 1973 at close to 180 Change the word
its
yen
.Use synonyms