How to add handle fee during RMA process

Summary:

The client wants to have a function that automatically add the handle fee in PartOrders return page. By look at the manual, the parts tabs on service request UI contains start the return, exchange or repoartsof service parts, we want to have a this field or function can add the return or exchange handle service fee.

We are using the Redwood UI 24 D released on the service module, there is a manual price adjustment . Is this the way to go? can we control the automatic adjustments , like automatically automatics adjustment (Returned handle fee) + 30 , -300+30 = 270 . The net price will become 270.