Answer:
No adjusting entry required
Explanation:
When the contract was formed and advance was received the company must had recorded the following entry:
Dr Cash Account $5000
Cr Unearned Revenue $5000
Now it is the year end and till now the goods are not delivered which means advance that was received is still our unearned revenue So no further entry is required until the delivery of the goods ordered to the customer.
Correct entry is "No adjusting entry required"