business-case
Business Case
Financial frameworks for investment justification and decision support.
When to Use Each Framework
| Framework | Use When |
|---|---|
| ROI | Quick sanity check; time value of money doesn't matter much |
| NPV | Multi-year investments; gold standard for GO/NO-GO |
| IRR | Comparing projects competing for the same budget |
| Payback Period | Leadership asks "how fast do we break even?" |
| TCO | Build vs. buy; total cost including hidden/ongoing costs |
| Sensitivity Analysis | High uncertainty; need to stress-test assumptions |
Decision Tree
Is the investment multi-year?
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