Answer:
Under/over applied overhead= $21,000 overapplied
Explanation:
<u>First, we need to calculate the predetermined overhead rate:</u>
Predetermined manufacturing overhead rate= total estimated overhead costs for the period/ total amount of allocation base
Predetermined manufacturing overhead rate= 280,000/2,000
Predetermined manufacturing overhead rate= $140 per machine hour
<u>Now, we can allocate overhead:</u>
Allocated MOH= Estimated manufacturing overhead rate* Actual amount of allocation base
Allocated MOH= 140*2,400
Allocated MOH= $336,000
<u>Finally, the under/over allocation:</u>
Under/over applied overhead= real overhead - allocated overhead
Under/over applied overhead= 305,000 - 336,000
Under/over applied overhead= $21,000 overapplied