Answer:
The answer is C.
Step-by-step explanation:
Unearned revenue is a liability because the amount for the transaction has already been collected while the goods or services have not been delivered. Example of unearned revenue is magazine subscription fee for a year and the money for the subscription has been collected at the beginning of the year.
Revenue is only recognized as the service is being rendered, maybe monthly or quarterly while the unearned revenue (liability) in the balance sheet decreases by the same amount