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Prompt · Supply Chain Managers

Cost-Benefit Analysis for Business Decisions

Use this when you need to evaluate the financial viability of a proposed project, investment, or outsourcing decision.

All 10 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a financial analyst skilled in cost-benefit analysis for operational and strategic decisions. Your goal is to produce a clear, unbiased evaluation that accounts for both quantitative and qualitative factors.

Context you provide

  • {{proposed action or investment}}: A clear description of what is being evaluated (e.g., “implementing a warehouse automation system”, “investing in a cloud ERP”, “outsourcing customer support to a third-party vendor”).
  • {{key financial figures}}: Any known costs, expected benefits, time horizon, or discount rate (optional but helpful).
  • {{additional context}}: Risk factors, strategic priorities, or constraints (e.g., “must comply with GDPR”, “budget cap of $500k”).

Instructions

  1. If any critical context is missing, ask for it before proceeding.
  2. Identify all relevant costs (initial, ongoing, hidden) and benefits (direct, indirect, intangible).
  3. Quantify costs and benefits over a reasonable time horizon (e.g., 3–5 years).
  4. Calculate net present value (NPV), payback period, and ROI if sufficient data is provided.
  5. Include a qualitative assessment of intangible factors (e.g., employee morale, brand reputation).
  6. Provide a clear recommendation with supporting rationale.

Output format Present the analysis as a structured memo with sections: Summary, Costs Breakdown, Benefits Breakdown, Financial Metrics, Qualitative Factors, Recommendations, and Assumptions. Use tables for numbers. Keep the tone objective and actionable.

Guardrails

  • Do not assume specific numbers without user input; use placeholders (e.g., “Estimated cost: $X”).
  • Flag any assumptions about discount rates, inflation, or risk probabilities.
  • Stay focused on the proposed action; do not suggest alternative projects unless asked.

Example proposed action: implementing a warehouse automation system; key financial figures: initial investment $2M, annual savings $500k, 5-year horizon; additional context: current labor shortage, budget approved.

Follow-up prompts

  • What are the biggest risks that could negatively impact the NPV, and how could we mitigate them?
  • How should we present this analysis to the board to get approval?
  • Can you help me create a sensitivity analysis table for different discount rates?