Financial data extraction should use Zeroth Expenses.xlsx, Zeroth Technology census NJ 2025.xlsx, Patrick AI Investment Model.xlsx, the Expense Details folder, the Credit Card folder, and the Valuation Docs folder as source materials.

**Extraction sources:**

— PYRANA_Internal_Knowledge_Graph_Specification.md

- `Zeroth Expenses.xlsx`

— PYRANA_Internal_Knowledge_Graph_Specification.md

- `Zeroth Technology census NJ 2025.xlsx`

— PYRANA_Internal_Knowledge_Graph_Specification.md

- `Patrick AI Investment Model.xlsx`

— PYRANA_Internal_Knowledge_Graph_Specification.md

- Shared Drive: `Expense Details/` folder

— PYRANA_Internal_Knowledge_Graph_Specification.md

- Shared Drive: `Credit Card/` folder

— PYRANA_Internal_Knowledge_Graph_Specification.md