Service facility accounting

Each service facility is classified into functionalities according to technical equipment and customer benefit. The functionalities are broken down into product categories. A corresponding charge is stored for each product category in the list of charges for service facilities. The usage charge for service facilities is formed from the respective product category and the number of hours of use. Charges as well as possible ancillary and consumption costs as per the respectively valid list of charges are also incurred for the use of peripheral facilities. The registered capacities are invoiced on a monthly basis.