The managerial chain of actions in current information systems [21] starts with managers defining what
information is needed, when, and for whom. On this research, with the aid of Dynamic Simulation Model, follows
the gathering of information in data-entry usable formats and it ends with the demonstration of processed
information in human understandable forms, to facilitate managing changing objectives - a dynamic simulation
process. Thus, an IT system composed of the input-data entries, its processing and analysis, and latest
presentation - output - to accommodate proper decisions. Taking this for granted, the biggest accounting
companies now designs information systems for its clients, involving all levels of management.