The line chart illustrates the Japanese monthly income, measured in Yen , alongs with the prices of color TV, black and white TV from 1970 to 2000.
Overall, while the cost of both two kinds of TV decreased significantly by 2000, people earned much more money compared to its in the previous period.
Regarding to two categories following the upward trend, people had to pay the highest cost, at precisely 110, in 1970 before it was decreasingly widespread after that, at 20. Similarly, the cost of color TV followed the drammatical downward trend to nearly 50 Yen after costing 100 Yen in 1980
According to the other feature, Japanese commuters had the lowest income, at about 20 Yen, in the initial year after increase slightly in the following peirod. Their income fluctuated at around 20 Yen over 20-year period before rising significantly to roughly 70 by the final year.
