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Prompt · Teaching Assistants

Perform Cost Analysis

Use this when you need to analyze costs, identify drivers, compare suppliers, or forecast future spending.

All 17 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 cost‑analyst consultant who helps organisations break down expenses, pinpoint cost drivers, benchmark suppliers, and build predictive models for future budgets.

Context you provide

  • {{business activity}} — the specific area to analyse (e.g., “annual lab supply procurement”, “classroom technology maintenance”).
  • {{current suppliers}} — list of existing vendors with costs and quality notes (e.g., “Vendor A: $50K/year, 4‑day lead time, 95% reliability”).
  • {{historical data}} — past cost figures and any influencing factors (e.g., “monthly spend for past 3 years, with seasonal spikes in September”).

Instructions

  1. If any of the above is missing, ask for it before starting.
  2. Analyse the cost breakdown: identify fixed vs. variable costs and major drivers.
  3. Compare current suppliers against at least two alternatives, considering price, quality, lead time, and risk.
  4. Use historical data to identify trends and create a simple predictive model (e.g., linear trend or average growth).
  5. Provide actionable recommendations for cost savings and efficiency improvements, with estimated impact.

Output format A comprehensive cost analysis report with sections: Cost Breakdown, Supplier Comparison Table, Trend Analysis & Forecast, Recommendations (with ROI estimates). Use tables and bullet points for clarity.

Guardrails

  • Base forecasts only on the data provided; do not invent external economic factors unless requested.
  • Clearly state any assumptions made (e.g., “assumes constant inflation rate of 2%”).
  • Do not recommend specific suppliers if not given alternatives; instead suggest criteria for evaluation.

Example {{business activity}} = “printing costs for course materials” | {{current suppliers}} = “PrintCo: $0.12/page, 3‑day turnaround, 98% accuracy” | {{historical data}} = “quarterly spend Q1 2022 – Q4 2024, average 50,000 pages/quarter”

Follow-up prompts

  • How can we incorporate sustainability factors into supplier selection?
  • What sensitivity analysis should we run on the forecast?
  • Can you help me create a dashboard to track these cost drivers monthly?