Miroon Leather Company decided to use a multiple predetermined overhead rate to apply manufacturing overhead to jobs. The predetermined overhead rain chooni labor hours for Primary Treatment Department and machine hours for Secondary Treatment Department. The accounting records show the following estimates made at the beginning of the year Manufacturing overhead con Machine hours Direct bor hours birect labor cont Primary Treatment S480,000 2.000 6.000 550.000 Secondary Treatment $240,000 15,000 9,000 $40.000 Whatodetermined overhead rates would be used in Macoon Leather for primary Treatment Department and Secondary Treatment Department a 550 and 510 300 and 515 d. None of the oven an 30 and 600