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Adding Machine costs
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Paper rolls$0,99price/roll
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New paper rolls6per year
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Printer cartriges costs$3,00per year
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Energy17,28KW/yearcalculated
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Energy price$0,15US$/KW
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Adding machine NEW$100,00one time payment
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Lifetime8n years
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Running costs$11,53per yearcalculated
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Total costs after n years$192,26lifetimecalculated
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Energy costs
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Energy9watt
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Time/Day8hours
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Days/week5days
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Weeks48weeks
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Total energy17,28Kw/yearcalculated
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Price comparisonDeskCalcAdding machineSavingsS. factor
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1 User$29,95$192,26$162,31642%
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5 Users$119,95$961,28$841,33801%
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10 Users$199,95$1.922,56$1.722,61962%
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100 Users$1.490,00$19.225,60$17.735,601290%
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500 Users$5.500,00$96.128,00$90.628,001748%
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1000 Users$10.000,00$192.256,00$182.256,001923%
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Traditional desk calculators are a very expensive habit for which there is a useful, flexible and cost-effective alternative: DeskCalc
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