Fictional practice answer Input: 8 rows; raw amount total $980. Output: 5 unique order IDs; latest updates total $560. Newest-first order after sorting by Updated descending: O-504 | 2026-10-08 | Dock House | $205 O-503 | 2026-10-07 | North Works | $95 O-501 | 2026-10-06 | Green Studio | $125 O-505 | 2026-10-04 | Pine Desk | $60 O-502 | 2026-10-03 | Blue Finch | $75 Compare each retained amount and date, not just the row count.