The open balance of the Purchase Order is equal to 0 at the Vendor center.
To check this, the user needs to do next steps:
- Create PO -> add item -> set Amount $10 -> process;
- Open Pay Bill list -> select created PO -> add partial payment (any type) of $3;
- Select the checkbox of Add discount -> select account -> save Payment;
- Open Vendor center -> observe the open balance of created PO.