Your flash reports will display the orders and credits as per which mini markets are activated, this can be further limited by setting which department to then include.
Click the Admin Cogs along the top bar.
Click Flash Reports, then click Site Reports.
Locate the flash report and click Edit to access.
Stay on the details tab and locate the setting department orders for flash reports.
Use the check box to activate the setting limit orders by department.
Use the check boxes to include or exclude each department.
Click Update to save any changes.