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Page counts

Dates

Count of
months

Avg pages per months
(including summers)
Most uses is Jan/Feb. and Aug/Sept

At 1.53 cents/ page,
for just ink
(a consumable)

At  0.36 cents/ page,
for just maintenance kit
(another consumable)

Cost for both
consumables
(NOT paper)

300,000

May 2011 - Nov 2012

9 19 months

15,000 pages /month

$4,585

$1,080

$5,670

240,000

Dec 2012 - Feb 2014

15 months

16,000 pages/ month

$3,665

$865

$4,530

Total: 540,000

May 2011 - Feb 2014

34 months

15,430 pages/ month

$8,250

$1,945

$10,200

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