Excel
Copilot
ClaudeAnalyze
Intermediate·30 min
Cross-check travel expenses against policy
Have Copilot Cowork reconcile a batch of travel expense submissions against the written policy and flag violations.
WordUpdated Sep 30, 2026
Scenario
Payroll totals look higher than expected this period.
Mission
Find the one employee record with an impossible hours entry.
Start Files
| EmployeeID | Name | Hours | HourlyRate |
|---|---|---|---|
| EMP-300 | A. Nguyen | 80 | 31 |
| EMP-301 | B. Castillo | 80 | 50 |
| EMP-302 | C. Petrov | 76 | 51 |
| EMP-303 | D. Osei | 82 | 40 |
| EMP-304 | E. Lindgren | 79 | 43 |
Preview — first 5 rows of payroll-biweekly.csv
Your task
- Scan the Hours column for a value far outside the normal biweekly range.
- Confirm it's a data-entry error rather than a legitimate outlier (check the hourly rate and total pay it implies).
- Flag the record for correction before payroll runs.
Prompt idea:
Here is a biweekly payroll export for 16 employees. One row has an hours value that's clearly a data-entry error. Find it and tell me why it can't be real.
Check Your Result
Which employee ID has an impossible number of hours logged for the biweekly period?
Need a hint?
A normal biweekly total is well under 90 hours — look for anything wildly outside that range.
Reveal Solution
The solution files contain the completed challenge. Review the approach to see if you missed any edge cases.
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