this programme should calculate users amount of watt consumed based on their appliances and the approximate number of hours is used in a day, week or month. the basic requirements are; give user option of selecting predefined home appliances or entering their own and corresponding watts per appliance,list home appliances and various consumption rates, allow users to specify number of hours each appliance is used. calculate watts consumed for the day,week or month.display expected charges the user will pay.

Maybe I missed it. Where is the question? Are you asking us to write this program for you?