Your question is SQL Analysis in Financial Reporting. 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 which financial analysis tool you are most proficient in, with emphasis on a PostgreSQL-based workflow. Describe how you used SQL aggregations, GROUP BY, and basic data wrangling to improve a finance process such as reporting, variance analysis, or reconciliation.
GROUP BY in finance workflows