Hi, I have a form running on Opportunity which uses a calculated field to get the local taxes applied to the sum of the prices for all the products. Taxes are calculated based on a fixed percentage value and currently this value is 14%. Let's suppose this value is changed in the future to 12% because of local government regulations. What will occur with the closed opportunities? It is logical to assume those opportunities won't change the taxes value already calculated with the old 14% but I would like to know your experience with this scenario. If there is some kind of documentation where I can check the answer, please let me know.
Regards,
Xavier
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