FIND SUCCESS 4U / PRACTICE SET 01 / ANSWERS
Use after attempting the source checks.

cleaned-original-run.csv contains the original cleaned output (1,978 rows).
quarantine-original-run.csv contains the two missing-date records, L01978
and L01979. The extra source_row and reason fields explain quarantine.
These records remain unresolved even when the workbook comparison matches.
No missing dates have been inferred.

Expected original reconciliation: 2,000 raw records minus 20 exact duplicate
copies minus 2 review records = 1,978 included records.
Signed totals in integer cents: sales 36,319,061; refunds -1,706,959;
net 34,612,102 (USD 346,121.02).

The CSVs are the answers. No separate answer-key XLSX is included.
They do not feed the checker's source formulas.
