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Mazoon Leather Company decided to use a multiple predetermined overhead rate to apply manufacturing overhead to jobs. The predetermined overhead rate chosen is labor hours for Primary Treatment Department and machine-hours for Secondary Treatment Department. The accounting records shows the following estimates made at the beginning of the year: Primary Secondary Treatment Treatment Manufacturing overhead cost $ 480,000 $ 240,000 Machine-hours 2.000 15.000 Direct labor-hours 6,000 9,000 Direct labor cost 60.000 40.000 What predetermined overhead rates would be used in Mazoon Leather for Primary Treatment Department and Secondary Treatment Department, respectively? O a. 800% and $16 O b. None of the given answer. O c. $80 and 600% O d. $8 and 600% O e. $80 and $16