Discount calculating sum of Active & Inactive Base Price condition type

Hi, 

      For condition type ZBPO-Base Price maintained condition record with two key combinations, In sales order Conditions Price determined for ZBPO condition type with Inactive and Active.  But Discount condition type ZDCO calculating 15% discount on sum of the Inactive & Active of ZBPO amount.

Requirement is Discount should be calculate Active ZBPO condition type only. Without deleting inactive condition type in Sales Order Conditions, what are the configurations need to do.

For Ref: Please check the below screen short.

Regards,

Parviz.