Navigate to 'Documents' → 'Processing' → Select required Processing Document Type (Example: Quotations) from list view and double click to open.
Select the 'Quotation Details' tab.
Select a 'GL Account' or an 'Inventory Item' to get the 'Document Line' started.
NOTE: Depending on the Paradigm site fields like the Warehouse Inventory will be compulsory if Warehousing is used.
Select the 'Warehouse' from which the stock must be taken for this transaction.
You can add a 'Line Note' if you wish to display additional information about this particular document line.
Input the Quantity to be transacted under the 'Qty' column.
'Unit Price' will automatically be pulled from the relevant price list. This can be edited here on the document.
The 'Disc' column is for discount percentage. The discount can be edited for the line only or it can be added for the entire document at the bottom-right of the screen.
'Tax Type' will be set as the 'Default Tax Type' set for this 'Company'. This field can also be edited here on the document.
'Total Excl. Tax' and 'Total Incl. Tax' is then calculated as required.
Save using the save 
icon (CTRL + S shortcut) or use the save and close 
icon (CTRL + Enter shortcut).
NOTE: The Paradigm default unit price is excluding VAT.