Business Bench

Tasks · desk · Bookkeeping

2026 prepaid expense amortization schedule

prepaid-amortization · timeout 1200 s · source

The ask

Sent verbatim as the prompt. The agent works in a copy of the workspace below and sees nothing else.

Graham needs our 2026 prepaid expense schedule to close the year - his email explains the method. Save it as prepaids.xlsx.

Workspace

  • email_from_cpa.txt
  • gl_detail_1450_prepaid_expenses_2026.csv
  • insurance_and_contracts_register.xlsx
  • prepaid_schedule_2025_final.xlsx

Expected deliverables

  • prepaids.xlsx

This task also has a task-specific grader (check.py).

Checks

The task passes only when every required check passes. Reference answers, tolerances, and the planted traps are in the repository, not here.

CheckTypeRequiredFailed (frozen) / 6
live formulasxlsx_has_formulasyes0
no error cellsxlsx_no_errorsyes0
expense by month, one linecustomyes0
total 2026 expensexlsx_value_presentyes0
balance at 31 Decemberxlsx_value_presentyes0
Keystone auto 2026 expensexlsx_value_presentyes0
Cascadia workers' comp 2026 expensexlsx_value_presentyes0
Summit floater 2026 expensexlsx_value_presentyes0

Recorded results, complete desk comparison

pass pass, frozen scorer only fail timed out
SystemRepetitionsFrozen / 3Raw / 3Median minutesMean cost (USD)
Proto / DeepSeek V4.1 Flash339.20.1135
Codex / GPT-5.6 sol338.70.9158

Per-attempt check verdicts, raw and frozen verdicts, usage, receipt and artifact hashes for this task are in results/latest/attempts.jsonl under "task": "prepaid-amortization".