[docdb]A method by which a health care facility pays for the acquisition and use of medical equipment, the medical equipment having one or more functions that are carried out by the equipment, comprises the steps of determining a price per unit of use time for each function of the medical equipment, recording the amount of time each function of the medical equipment is used by the health care facility, computing the usage billing amount from the usage time and the price per unit of use time, and rendering a bill to the health care facility for the usage billing amount. Amounts for disposable/consumable supplies and for maintenance can also be determined.