The line graph illustrates how much salary earners in Japan received and the monetary value of monochrome and coloured television within a period of 30 years.
Overall, while the average earnings of the citizens increased, the prices of the two distinct televisions decreased over the years.
Firstly, between 1970 and 1980, they money paid to workers in Japan steadily rose. while around this time, there was a drastic fall on the amount spent to buy the two relative appliances.
The salary of workers increased gradually during these years meanwhile the prices of coloured TV steadily decreased to 68 which was more expensive than the other. Following this, the trend continued and in 1990, earnings and coloured tv had the same amount of 28 yen. While the stipends maintained a steady rise after that year to 70 yen in 2000, they others subsequently maintained a downward movement of 20 yen and 45 yen respectively.
