Electrical Usage at Home

I got this from an email. Below is a short table of common electrical appliances and a rough estimate on how much they cost to run for every hour. (The cost may seem low, but remember, even using 3 sen/hour means that you will be paying about RM 20 per month if you leave it on for 24 hours a day) 

Appliance	Estimated cost (sen/hour)
Fluorescent lights	1 sen
Wireless Router	1 sen
ASTRO decoder + dish	2 sen
Table Fan	2 sen
Incandescent lights	3 sen
Ceiling Fan	3 sen
Computer (laptop)	5 sen
CRT (‘normal’) TV (21 inch)	3 sen
LCD TV (32 inch)	7 sen
Computer (desktop)	9 sen
Plasma TV (42 inch)	10 sen
Washing Machine	15 sen
Vaccuum Cleaner	17 sen
Electrical Clothes Iron	33 sen
Electric Hot Plate	46 sen
Air Conditioning	46 sen
Electric Water Kettle	50 sen