Overview

This report shows the sales values by period selection for each customer

Image of report result

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Margin and Gross Profit Percentage set to Custom....

In the Navigation panel, go to Reports then Analysis Reports.
In the list of reports find the category Sales and then double click on Sales by Salesperson by Customer by Category by Period
The Analysis screen will appear as below image.
Click on the Bind Data icon on the top panel
The bind analysis data box will appear
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Select the Parameter in this case Period Range Period Parameters
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After you have clicked ok the report runs
Result appears as above image.