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: Manufacturing overhead cost Machine-hours Direct labor-hours Direct labor cost Primary Treatment $480,000 2,000 6,000 $60,000 Secondary Treatment $240,000 15,000 9,000 $ 40,000 What predetermined overhead rates would be used in Mazoon Leather for Primary Treatment Department and Secondary Treatment Department, respectively?