Answer:
4) Revenue 7, 500 Unearned Revenue 7, 500
Explanation:
* Assuming Year end is December 31, 2016.
On August 1, 2016 the collection was recorded as cash 18,000 to unearned revenue for the services of one year in advance. On December 31, 2016 five months have been passed and services for these months has been performed. So the revenue of 5 months will be recognized and balance of 7,500 is transferred to the revenue account using Uneanred revenue 7,500 to Revenue 7,500.
Revenue Recognized on December 31, 2016 = 18000 x (5/12) = $7,500