Hi Jason,
Do you use Adagio SalesAnalysis? It maintains sales data at the detail level for specialized reporting, including both item Base and Selling prices, making it easy to calculate the Discount difference in a custom report either from Adagio GridView or Crystal Reports, or even an Online Inquiry within SalesAnalysis that can be exported to Excel.
Customized reports could also be directed to OrderEntry or Invoices Historical Details.
What type of discounts are you entering for invoices? Is it a document discount that can be entered on the Total tab or an OrderEntry invoice? Or is it an item discount due to the quantity of items ordered or a customer level discount? Or both? Knowing the type of discounts would assist in knowing how the data would be stored in Adagio, and where to report on the desired discounts.
I'm sure your Adagio consultant would be happy to assist you in this investigation, if needed.
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Regards,
Softrak Tech Support