21.6watt 10W lightbulb school-inG-GG-G-nil-i+! 12hours a day min $1.68c AUD per fortnight iv its a dollar a kilowattHOUR!||| |||| & iv not and the 10W globe flurs?/z 43.2watt$ every 2 hours/z|||| means over 362cent$ though less the 365cent$ per fortnight, yes obviously not takeing into consideration the near $2 per day electrictyy supply daily service fee, i havent sightedd a bill ledgistLegal need to make payment printedd paper_ end daniel