Daffe Corporation uses direct labor-hours in setting its predetermined overhead rate. At the beginning of the year, the total estimated manufacturing overhead was $165,600. At the end of the year, actual direct labor-hours for the year were 11,900 hours, manufacturing overhead for the year was overapplied by $10,760, and the actual manufacturing overhead was $160,600.

1. What must have been the predetermined overhead rate for the year?