What Is Depreciation Factor?

1.	What Is Depreciation Factor?
Answer» It is the RATIO of illumination under normal condition of old INSTALLATION to the illumination under ideal condition of new installation. It is the ratio of illumination under normal condition of old installation to the illumination under ideal condition of new installation.

Answer»

It is the RATIO of illumination under normal condition of old INSTALLATION to the illumination under ideal condition of new installation.

It is the ratio of illumination under normal condition of old installation to the illumination under ideal condition of new installation.

Discussion