Cribb Corporation uses direct labor-hours in its predetermined overhead rate. At the beginning of the year, the estimated direct labor-hours were 17,900 hours and the total estimated manufacturing overhead was $341,890. At the end of the year, actual direct labor-hours for the year were 16,700 hours and the actual manufacturing overhead for the year was $336,890. Overhead at the end of the year was:
$22,920 underapplied
$17,920 overapplied
$17,920 underapplied
$22,920 overapplied