Under „Settings“ → „Quotation“ you have numerous settings to design the quotation according to your wishes.
Should there only be discount 4 for glass e.g. activate discount 4 and select discount 4 under glass.
You can set if specific areas of the quotation should be disclosed separately. This enables display of the installation costs as unit price per position or using the option „Summarized to unit price“ summarized at the bottom of the quotation.
You can also influence the kind of information which should be displayed. Select the area for this and under layout the requested display.