With Store Commander you can apply a margin to multiple products in bulk, follwing these steps.
Select the products using the mass-selection icon if all products are concerned or by selecting products individually using the CTRL or key if you are working on a MAC
Right-click to display the pop-up menu and select 'Mass-Update > Margin'
In the new window, enter the margin/coefficient you wish to apply and validate with the OK button
For more information on managing your products margin, please refer to this article.
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