A cursory glance at line graphs illustrates the data about the average monthly payroll of the Japanese civilians between the time period of the year 1953 to 1973, as well as the purchase price of Black and white television and colored TV during the same time duration.
Overall, it can be seen that the monthly income of Japanese people increased significantly as time passed. However, the expense of both categories of television (Black and White and coloured) decreased gradually with time.
To commence with salary of Japanese residents was around 30 yen in the year 1953, which doubled in the next decade. On the other hand, Black and white TVs were sold at 100 yen at the same time and their value sank to 40 yen in the next 10 years. Whereas, Colored television came into the consumer market in the year 1958 with a purchase cost of 180 yen, but it showed a tremendous drop of nearly 75 yen in price in the coming seven years.
Furthermore, a sharp increment was noticed in the earnings of Japanese inhabitants after the year 1963 and it reached the peak of 180 yen in the year 1973. While the expense of both televisions also decreased to 30 yen during the same time period.