HELP!  Is it possible to REVERSE an overpayment?
First I applied credit memos to invoices a customer paid and then posted the payment.  This left monies to be applied as they paid the invoices in full, which we wanted to do, so we did as an overpayment.  This part is ok.  
 
The overpayment was then applied to another open invoice.  I did $0 and used the same check number.
 
These were two separate transactions.  
 
I did these on the wrong date so first I reversed the payment as a reversal.  I do not know how to reverse the overpayment I applied.  The aging shows the overpayment as a "voucher" or "invoice" and has the aging showing this as a balance DUE, and it's not.
 
How do I reverse the overpayment I applied or do I do something else?  THANK YOU!