Golden Corporation uses direct labor-hours in its predetermined overhead rate. At the beginning of the year, the estimated direct labor-hours were 23,600 hours. At theend of the year, actual direct labor-hours for the year were 22,400 hours, the actual manufacturing overhead for the year was $601,120, and manufacturing overhead forthe year was underapplied by $25,440.

The estimated manufacturing overhead at the beginning of the year used in the predetermined overhead rate must have been:

$575,680.

$606,520

$627,646

$595,720.