1. Quebec Corporation uses direct labor-hours in its predetermined overhead rate. At the beginning of the year, the estimated direct labor-hours were 19,700 hours. At the end of the year, actual direct labor-hours for the year were 17,700 hours, the actual manufacturing overhead for the year was $392,940, and manufacturing overhead for the year was underapplied by $35,400. Required: What must have been the estimated manufacturing overhead cost at the beginning of the year used setting the predetermined overhead rate