Your question is Monthly Reporting Package Build Process. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain your process for building a monthly reporting package in PostgreSQL. Focus on how you define the reporting month, validate source data, create monthly summaries, handle nulls or late-arriving records, and produce a consistent final output that could feed an IPG Health finance reporting deck.