Add a discount or surcharge
Go to the Configuration menu → System Values: Basic → Discounts & Surcharges.
Click the Add button on top of the Discounts & Surcharges table. You will be directed to the Add Discount / Surcharge page.
In the Name field, provide a name for the discount or surcharge.
In the Description field, add information about this discount or surcharge.
In the Value field, enter the desired percentage value for a surcharge. For a discount, add a '-' before the value.
From the Type drop-down list, select the entity to which the discount or surcharge should be applied: Task or Job.
Decide whether the discount or surcharge should be Active and thus selectable.
Decide whether the discount or surcharge should be marked as a Preferred Item and thus appear on top of the drop-down lists.
Decide whether the discount or surcharge should be a Default one.
Click the Save button.