OFBIZ - Accounting Module- - Ledger Opening Bal, Payment Method

[Texon]

1) How to add Opening Balance in General Ledger Account in OFBIZ ?

2) Is there a specific way to configure OFBIZ Accounting identical to Tally ?

3) I have created an EFT Account and a Billing Account for Organization as well as for a Demo Customer, but while creating New Payment "Payment Method id" shows nothing, how to add a new payment method for Organization ?

I have referred Apache Ofbiz Business Setup Guide and Technical Documentation.