Operational costs according to the contents, service and operation of automatic telephone exchange consist of expenses on a salary, social insurance, materials, the electric power, depreciation and repair of the equipment and other expenses.
The economy of railway transport studies transport from the point of view of relations of production in the course of production. Thus the economy is guided by the person as on the main productive force, on his interests and management of them.
Potrebny investments on constructions of these rooms are determined by their total structural volume and specific investments. When determining a total structural volume of production rooms accept their height of 3,3 meters.