The graph shows the average Japanese month salary (Yen) from 1970 to 2000 and the prices of black and white televisions and color televisions during the same period.

The line graph compares the cost of color TV and black and white TV, and the average salary per month over the course of 30 years, starting from 1970. Overall, it is clear that the price of two kinds of TV witnessed a downward trend, while the average salary increased. Notably, the most drastic change […]