How can I include my sales margin into my calculation

You can include your sales margin at the bottom of the calculation file, in the "Margin & Turnover" section, you have to fill in the calculation sheet and choose to add:

•  a markup in % to be applied OR
•  a coefficient OR
•  the expected unit selling price.

Click on the "Calculate Selling Price" button.

It will automatically calculate the "unit selling price", the "total turnover" and the "total margin".

Don't forget to select the right currency.