Turnaround required: The requirement for appropriate reporting at month end will too give assistance for what degree to be maintained for mechanization and the intensity of difficulty that will be suitable. Since Citizen’s gas company will use the system for equally for multi-year planning and monthly tactical planning, hence the system ought to be designed to give rapid turnaround of results at each month end. This will also help for planning for first year. Reducing the data input requirements should also be given importance.