You will be able to perform adjustments to charges, directly from each folio
How to adjust charged transaction
select Transaction Detail --> select ADJUSTMENTS --> select item to be adjusted --> select Adjustment Code for the list --> enter adjust amount in - (minus) value --> select Fixed (for certain amount adjustment) or Percentage (for percentage adjustment from the original amount) --> enter adjusted Description --> select APPLY
Below is an example of adjusted items display on transaction detail
Adjust balance is also show on folio's main screen as below