Harrington Company uses predetermined overhead rates to apply manufacturing overhead to jobs. The predetermined overhead rate is based on machine-hours in the Machining Department and direct labor cost in the Assembly Department. At the beginning of the year, the company made the following estimates: Machining Assembly Direct labor hours 16,000 12,000 Direct labor cost $ 20,000 $ 15,000 Machine-hours 5,000 1,000 Manufacturing overhead $ 25,000 $ 30,000 What predetermined overhead rates would be used in the Machining and Assembly Departments, respectively?