ABC log is a calculation according to a value in log10 basis. ABC log value is the number of digit of the value.
- Price between 100 and 999 -> ABC log Price = 3
- Price between 10 and 99 -> ABC log Price = 2
- Price between 1 and 9 -> ABC log Price = 1
Any value has a ABC log classe : Price, Annual Consumption in Quantity, Annual Value, Annual Margin value.