The number of decimals shown on a customer Invoice (CIN) print can be defined by a setting for this:


- Decimals in Amount field on sales invoice documents  - (sets the number of decimals for the gross amount    
  field for output document of the type sales invoice (CIN).

This settings controls the Gross amount - the last 2 columns on the print. 


If the price is only to have 2 decimals on the print, this setting has to be activated:

- Decimals in Price field on sales invoice documents (Sets the number of decimals for the gross price field for
  output document of the type sales invoice)


This can be activated if the user has access to update these settings.