The graph below shows the average monthly salary and the prices of black and white and colour TV in Japanese Yen from 1953 to 1973.

The provided data illustrates the cost of both, colour and black and white

TV

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TVs

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, in Japanese Yen, showing the changes in 20 years, starting from 1953.

Furthermore

, it showcases the average

monthy

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monthly

salary throughout the time period.

Overall

, the prices of

TV

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TVs

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went down.

While

the expenditure for coloured TV experienced a sudden drop, the other component decreased steadily. The income of Japanese people rose drastically during the given time frame. Because television, which shows tones, was invented around 1958, there is no information about the price of it before that. At

first,

the cost of it dropped 110 Japanese Yens in just 5 years,

while

it went down only 10 during double the time. From 1963 the decrease is steady. The monthly salary went up dramatically, going up 150 Yen and experiencing a high of 180. Since

the

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television prices dropped, more people were able to afford one for themselves.