I want to add New_Column "Notes_1" with related or potential dup:
Related:
are lines where the sum of the amounts in column amount1 is 0.
CC are the same
Value 3 the same
See row 1 & row 16
Potential dup:
Amount_1 are the same
Cc are the same
Value 3 are the same
See row 4 & 15