We recently purchased a new company which requires a energy adjustment calculation on each invoice. The calculation would just apply the same percentage to each invoice each month, but the percentage will change each month. Right now we do repeating invoices, but don't want to have to key 900 energy adjustment charges each month an invoice line. Does anyone know how to customize the AR module to perform a calculation on an invoice or do some type of add-in to make it work for us? Thank you!
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