Balance proves none of those factual or timing claims; each requires evidence and an appropriate accounting analysis.
The invoice is a vendor document that can support what occurred; the journal entry is what the company writes in its own books to record the affected accounts.
This gives the balance check its proper scope without treating it as proof that the entry describes the underlying transaction.
A wrong account can preserve debit-credit equality while misstating assets, expenses, or net income.
Answer: C
A journal entry represents the classified event, and equal sides provide an arithmetic check. The company's evidence must still support the event, date, account selection, and amount.