How was the customer and supplier balance carried forward?

The customers and suppliers balances of the previous year are carried forward to the new year, but you did NOT run the SAPF010 program (Carry Forward Receivables/Payables) manually in accounts receivable or accounts payable.

How was the customer and supplier balance carried forward? Please choose the correct answer.
A . L3 Because balance carryforward was performed for the leading ledger in general ledger
B . Because balance carryforward was performed automatically due to postings to the subledgers in the new year
C . Because balance carryforward was performed automatically when closing the previous year
D . Because balance carryforward was carried out by the Reconcile Universal Journal Entry transaction since the reconciliation displayed NO error

Answer: A