Braam Corporation uses direct labor-hours in its predetermined overhead rate. At the beginning of the year, the estimated direct labor-hours were 11,500 hours. At the end of the year, actual direct labor-hours for the year were 9,700 hours, the actual manufacturing overhead for the year was $143,350, and manufacturing overhead for the year was underapplied by $18,220. The estimated manufacturing overhead at the beginning of the year used in the predetermined overhead rate must have been: a.) $164,023 b.) $125,130 c.) $148,350 d.) $138,350