The given chart represents the amount of electricity that different devices consume over a year and money people spend on bills.
According to the data, the most economical tools in a household are electric blankets, microwave ovens and television. Each of them costs no more than approximately 20 dollars a year. Thus, these devices form a top-3 list of most affordable things for their owners. Most of the items in the list above are in the middle of cost and consumption with bills less than 80 dollars over a year.
As for the most expensive ones, they are refrigerator, pool pump and spa. There has been more than eighty three dollars spent on each household tool per observed year. Moreover, the electricity consumption of a spa was about ten times that of an electric blanket.
Besides, it is obvious that all of the devices except for a spa spent less electricity than 1500 kilowatt per hour annually, whereas the consumption of a spa was approximately half time more.
