All items are in the same dimension and performance is of the highest priority.
How do you calculate the difference between item A and item B, and then store the result in item
C?
A.
Define C as sibling of A and B, and a rule [‘C’]=N:[‘A’]-[‘B’];.
B.
Define C as consolidation of A and B, B with a weight of-1.
C.
Define C as consolidation of A and B2, and a rule [‘B2’]=N:-[‘B’];.
D.
Define C as consolidation of A and B, and a rule [‘C’] = C: [‘A’]-[‘B’]:.
Explanation: