npv-irr-calculator

# NPV/IRR Calculator ## Overview The NPV/IRR Calculator skill provides comprehensive financial analysis for project investment decisions. It calculates key financial metrics including Net Present Value, Internal Rate of Return, payback periods, and profitability indices to support business case development and portfolio prioritization. ## Capabilities ### Core Financial Metrics - Calculate Net Present Value (NPV) with configurable discount rates - Calculate Internal Rate of Return (IRR) - Calculate Modified Internal Rate of Return (MIRR) - Calculate payback period (simple and discounted) - Calculate Profitability Index (PI) / Benefit-Cost Ratio ### Cash Flow Analysis - Generate cash flow projections - Model operating vs. capital expenditures - Calculate cumulative cash flows - Support irregular cash flow timing - Handle multiple currency conversions ### Sensitivity Analysis - Perform sensitivity analysis on key assumptions - Generate tornado diagrams - Calculate break-even points - Model scenario comparisons (base, optimistic, pessimistic) - Assess assumption risk ranges ### Advanced Features - Support weighted average cost of capital (WACC) - Calculate economic value added (EVA) - Model inflation adjustments - Compare mutually exclusive projects - Generate investment summary reports ## Usage ### Input Requirements - Initial investment amounts - Projected cash flows by period - Discount rate(s) - Project duration - Optional: Inflation rates, tax considerations ### O...