1. SAP Help Portal
SAP Integrated Business Planning for Supply Chain
"Copy Operators": This document states
"If you define multiple source and target key figures
they are processed sequentially in the order they are listed in the Copy Operator Profiles app." It also explains
"If the target key figure has a more detailed planning level than the source key figure
the values are disaggregated according to the disaggregation mode that is defined for the target key figure." This directly supports answers A and D and refutes B and C.
2. SAP Help Portal
SAP Integrated Business Planning for Supply Chain
"Disaggregation and Pro-Rata Disaggregation": This section details how key figure values are distributed from an aggregate level to a detailed level. It confirms that disaggregation is a property and behavior of the key figure being written to (the target)
which aligns with the reasoning for selecting D and rejecting C.