During January, the job cost sheet showed the following costs and production data: Department A B Direct materials used $195,000 $128,000 Direct labor cost 100,000 110,000 Manufacturing overhead incurred 130,000 135,000 Direct labor hours 8,000 8,400 Machine hours 16,000 34,000 Instructions (a) Compute the predetermined overhead rate for each department. (b) Compute the total manufacturing cost assigned to jobs in January in each department. (c) Compute the balance in the Manufacturing Overhead account at the end of January and indicate whether overhead is over- or underapplied