Is it expensive to spend 5 yuan a year on corridor lights in old residential areas?

It is not expensive to spend one year on corridor lights in old residential areas in 5 yuan.

from the economic point of view, it is not expensive to pay for corridor lighting with the annual 5 yuan fee. This amount is small, which can provide basic lighting services and power support needed to maintain corridor safety. Considering the factors of power cost, maintenance and management, 5 yuan can be regarded as a reasonable and acceptable amount.