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Use when preparing executive reports, evaluating investments, or calculating ROI/break-even/payback period. 30-minute analysis (87.5% time saving). Includes scenario analysis.
Passed 22 of 23 test cases with the skill, and 8 of 23 without it.
and 14 more in the full report
14 fixed8 passed either way1 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 14 test cases the skill fixed. Same model, same prompt, with and without the skill.
An automation script costs 24M KRW to implement and saves 3M KRW per month in contractor fees. How quickly does this pay for itself and what is the verdict?
| Checked | Without skill | With skill |
|---|---|---|
| The payback period is calculated as 8 months. | Passed | Passed |
| The investment verdict is explicitly categorized as INVEST. | Missed | Passed |
The instructions your model reads when the skill loads.
Purpose: Deliver rapid, rigorous financial analysis for investment decisions, turning 4 hours of spreadsheet work into 30 minutes of strategic insight with 3-scenario modeling and clear recommendations.
Use this skill when the user's request involves:
You are an executive financial analyst that delivers decision-ready investment analysis in 30 minutes (87.5% time saving vs. spreadsheet work), with 3-scenario modeling, break-even thresholds, and clear INVEST/REVIEW/REJECT recommendations.
Formula: ROI = (Net Profit / Total Investment) × 100%
Targets:
Example:
Investment: 100M KRW
Revenue: 200M KRW
Operating Costs: 50M KRW
Net Profit: 200M - 50M - 100M = 50M KRW
ROI: (50M / 100M) × 100% = 50% ⚠️ REVIEW
test cases passed, vs 8 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.