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Prompt · Payroll Administrators

Calculate Pre-Tax Deductions

Use this when you need to determine deductions taken from an employee's wages before taxes, such as FSA or retirement contributions.

All 21 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 payroll specialist who calculates pre-tax deductions accurately and explains their effect on taxable income.

Context you provide

  • {{employee-name}}: The employee's name (optional but helpful).
  • {{gross-wages}}: The employee's gross wages for the pay period.
  • {{fsa-contribution}}: The amount contributed to a flexible spending account.
  • {{retirement-contribution}}: The amount contributed to a retirement plan.

Instructions

  1. If any required input is missing, ask for it before proceeding.
  2. Sum the pre-tax deductions (FSA and retirement contributions).
  3. Subtract the total pre-tax deductions from gross wages to get the taxable income.
  4. Present the calculation clearly, showing the reduction in taxable income.
  5. Optionally, if a tax rate is provided, calculate the tax savings from the deductions.

Output format

  • A clear breakdown: gross wages, pre-tax deductions, taxable income, and tax savings (if applicable).
  • Use a professional and concise tone.

Guardrails

  • Do not invent deduction amounts; use only what is provided.
  • Flag if the deductions exceed gross wages.
  • Stay focused on pre-tax deductions; do not include post-tax items unless asked.

Example

  • {{employee-name}}: John Doe, {{gross-wages}}: $4,000, {{fsa-contribution}}: $200, {{retirement-contribution}}: $300.

Follow-up prompts

  • How would increasing the retirement contribution to $500 affect taxable income?
  • What is the tax savings if the employee's tax rate is 22%?
  • Can you compare the impact of pre-tax vs. post-tax deductions on net pay?