Why do we still have CRT (old and ugly) monitors?
290 Watts Average Usage for CRT and desktop
Cost in electricity per school year $42
235 Watts Average Usage for LCD and desktop
Cost in electricity per school year $34
Cost for a new LCD monitor $140
$8 Dollar difference would take 17 years in electric savings to make up the price for buying a new LCD monitor.
*PGE
Today's Assignment
Download this spreadsheet and change the hours column from 8 hours per day to 24 hours per day to see how much money it would cost to leave the computer on instead of turning it off.
Next change the 180 days which makes a school year to 365 days to see how much it would cost if you were to leave a computer on year around.
Spreadsheet to download: https://docs.google.com/file/d/0B-QS3id9tGdWc3VSb2JRTnpfZ2c/edit?usp=sharing
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