If Standard Charging is used rather than a Job Cost Method when setting up charging for a given Spool Queue, Discount Rates are not correctly calculated.
This is a known problem in Pharos versions 7.1 and 7.2. Customers can workaround the problem by setting up a Job Cost Method.
Article: How do I set up Job Cost Methods?
7.2 will be updated with a hot fix to resolve the issue. Please check the Pharos downloads web site for hot fix information.