Answer:
(1) the account number and (2) the journal page number.
Step-by-step explanation:
A posting reference column helps to establish interlinking between a journal and a ledger.
In a journal this indicates the account number to which the entry has been posted.
Whereas in a ledger, it indicates the page of the journal in which the entry can be found.
So, the correct option is : D.
(1) the account number and (2) the journal page number.