Summary
Bar codes can be printed on a receipt and then scanned via a scanner or camera device to cash out customers quickly.
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Menu item price: 6.24 (embedded in the type 2 barcode)
Sample Barcode: 210057006249
2 = Type 2 barcode
10057 = Menu item PLU number
00624 = Price (the last 2 digits are decimal places, so the price will be 6.24)
9 = check reference(not used)
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