Leaves one record per month, per phase/cost type.
Leaves one record per month, per phase/cost type, per source.
For cost detail roll-ups only, summarizes detail as follows:
AP = One record per vendor
EM = One record per equipment
MS = One record per material
IN = One record per material
PR = One record per payroll date
JC = Compress only those transactions with nothing but units (e.g. transactions created in JC Progress Entry). All other JC transactions will not be compressed.