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For calculation questions
Include the page URL, Rule Set ID shown on the page, the fee line you are questioning, and a description of the expected behavior. Amounts can be replaced with a synthetic example if the issue does not depend on a real transaction.
Response boundaries
MarketCalcs cannot access an eBay account, change a marketplace charge, resolve an order dispute, or provide tax, accounting, or legal advice. Questions about an actual eBay charge should also be directed to eBay Customer Service.