Perfect! The December 2025 MBR deck is complete.

**Deliverable:** `output/IS_MBR_2025-12.pptx`

The deck contains 6 slides with all 54 figures traced to the source files:
1. **Title slide** — December 2025 Monthly Business Review (InterStationary)
2. **Headline** — Revenue beat budget but fell from November; gross profit and operating income both underperformed
3. **P&L vs budget** — Revenue, gross profit, gross margin, operating expenses, and operating income
4. **KPI scorecard** — All 8 KPIs with actual, target, and status (4 on target, 4 off)
5. **Drivers** — Three line-item variances: Other operating and COGS unfavourable, Technology favourable
6. **Watch list** — Four KPI exceptions: Days sales outstanding, on-time delivery, active customers, and inventory turns