XYZ company uses a predetermined overhead rate to apply manufacturing overhead to jobs. The predetermined overhead rate is based on labor cost in Dept. X and on machine-hours in Dept. Y. At the beginning of the year, the Corporation made the following estimates: Direct labor cost Manufacturing overhead Direct labor-hours Dept.X Dept. OMR 60,000 OMR 40,000 OMR 100,000 OMR 60,000 6,000 9.000 2.000 15.000 Machine-hours What predetermined overhead rates would be used in Dept. X and Dept. Y respectively O a None of the given answers O b. 167% and OMR 4.00 Oc150% and OMR 5.00 O d. 167% and OMR 6,67 Oe 200% and OMR 4.00