ER-650/650R Program Mode Programming • 139
Tax Table Programming Example - Illinois 6% Tax Table
1. Examine the printed tax table for the tax you are programming.
2. Calculate the break point differences by subtracting the high side of the previous
range from the high side of the sale amount range.
3. Examine the pattern of break point differences to determine when the break
points begin to repeat. Mark the beginning break points that do not fit a pattern
as “non-repeat breaks.” Mark the break points that are repeating in a pattern as
“repeat breaks.” Count the number of repeat and non-repeat breaks.
Tax Charged
Sale Amount
Range
Break point
Differences
$0.00 $0.00 - $0.10
$0.01 $0.11 - $0.21 11
$0.02 $0.22 - $0.38 17
$0.03 $0.39 - $0.56 18 Non-Repeat
$0.04 $0.57 - $0.73 17
$0.05 $0.74 - $0.91 18
$0.06 $0.92 - $1.08 17
$0.07 $1.09 - $1.24 16 Repeat
$0.08 $1.25 - $1.41 17
$0.09 $1.42 - $1.58 17
$0.10 $1.59 - $1.74 16
$0.11 $1.75 - $1.91 17
$0.12 $1.92 - $2.08 17
$0.13 $2.09 - $2.24 16
$0.14 $2.25 - $2.41 17
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