Overview

1. Active the new VAT Calculation in the 7.2.1.1 Administration Settings.
2. Edit your Quote and Invoice Preference: Check the box: Show Gross Campaign Cost. Go do that navigate to App Launcher - Invoice Preferences - and open the respective active record. 

Quote and Invoice Preferences

Your invoice records need to have the following fields filled:

1. Early Payment Discount in Percent % and
2. Days Early Payment Discount in Days
3. Terms of Payment Days Net in Days
4. Terms of Payment Text is a free Text field which overwrites the standard.

This will result in the following lines on your Invoice PDF:

We calculate the following two fields for you:

Custom Labels

If you don't like the standard text or translation navigate to Build - Create - Custom label and translate / overwrite the following labels:

Examples

TermsOfPaymentText__c	Early_Payment_Discount__c	DaysEarlyPaymentDiscount__c	TermsOfPaymentDaysNet__c	Screenshot
-	2,000%	10	30
-	2,000%	10	-
10 Tage 2% Skonto	2,000%	-	30
10 Tage 2% Skonto	2,000%	-	-
-	2,000%	-	30
-	2,000%	-	-
-	-	-	30
-	-	-	-