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Npv irr calculator

Skill a5c-ai/babysitter/library/specializations/domains/business/project-management/skills/npv-irr-calculator

Calculate project financial metrics for investment decision makingFrom its SKILL.md

Install
npx -y skills add a5c-ai/babysitter --skill npv-irr-calculator

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SKILL.md

2.9 KB, 469 tokens by cl100k_base, as published. Nobody here has run it

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

Output Deliverables

  • NPV calculation with present value breakdown
  • IRR and MIRR calculations
  • Payback analysis (simple and discounted)
  • Profitability Index
  • Sensitivity analysis charts

Example Use Cases

  1. Business Case: Calculate project financial viability
  2. Portfolio Selection: Compare project investments
  3. Go/No-Go Decision: Evaluate investment threshold
  4. Budget Justification: Demonstrate financial benefits

Process Integration

This skill integrates with the following processes:

  • Business Case Development
  • budget-development.js
  • portfolio-prioritization.js
  • benefits-realization.js

Dependencies

  • Financial mathematics libraries
  • Numerical computation utilities
  • Visualization libraries
  • Currency conversion services

Related Skills

  • SK-004: EVM Calculator
  • SK-011: Benefits Tracking Dashboard
  • SK-013: Portfolio Optimization

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.

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