Answer:
D) Overhead was underapplied by $4,000.
Step-by-step explanation:
Overhead is underapplied when the actual balance in the manufacturing overhead control account is larger than the balance in the applied manufacturing overhead account.
In this case, the balance of the manufacturing overhead control is $124,000 while the balance of the applied manufacturing overhead account is $120,000. This means that actual overhead costs were $4,000 higher than budgeted.