The conversation between human and AI assistant.
How much power does my 40W lamp consume in 1 hour?
How much will it cost me to run my 40W lamp for 1 hour if the electricity rate is $0.20 per kilowatt-hour?
It will cost you $0.008 to run your 40W lamp for 1 hour if the electricity rate is $0.20 per kilowatt-hour.