Valley Inc. has two production departments, Cutting and Packaging. The company uses a job-order costing system and computes a predetermined overhead rate in each rate is based on direct labor-hours. At the beginning of the current year, the company had made the following estimates: During the current month the company started and finished Job-S22. The following data were recorded for this job: Requires : a. Compute the predetermined overhead rates used in the Cutting department and the Packaging department. (4 points) b. Calculate the total amount of overhead applied to Job-S22. (4 points) c. What would be the total manufacturing cost for Job-S22? If the job contained 60 units, what would be the unit product cost? (5 points)