Use when the user asks to "build a business case", "calculate NPV", "analyze ROI", "run cost-benefit analysis", or "produce financial justification for a project". Activates when a stakeholder needs to produce a financial business case with NPV/IRR/payback analysis, build discounted cash flow models, perform sensitivity analysis on key assumptions, model best/most-likely/worst-case scenarios, or present go/no-go financial recommendations.