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Our calculator uses the standard reverse tax formula: Original Price = Final Price ÷ (1 + Tax Rate ÷ 100). Minor differences (1-2 cents) from receipts can occur due to different rounding methods used by various systems.
We provide general information about tax rates by jurisdiction, but rates change frequently. Always verify current rates with official government sources or your tax professional.
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We typically respond to all inquiries within 24-48 hours during business days. Thank you for your patience!