Required Information The following Information applies to the questions displayed below.] The Gilster Company, a machine tooling firm. has several plants. One plant. located in St. Cloud, Minnesota, uses a job order costing system for its batch production processes. The St. Cloud plant has two departments through which most Jobs pass. Plant-wide overhead, which Includes the plant manager's salary, accounting personnel, cafeteria, and human resources, Is budgeted at $200,000. During the past year, actual plantwide overhead was $187.000. Each department's overhead consists primarily of depreciation and other machine-related expenses. Selected budgeted and actual data from the St. Cloud plant for the past year are as follows. Department A Department B Budgeted department overhead (excludes plantwide overhead) $ 144,690 $ 495,090 Actual department overhead 168,090 420, 906 Expected totul activity: Direct labor hours 49 600 10,606 Machine-hours 16,090 45, 008 Actual activity: Direct labor hours 41 090 8,406 Machine-hour's 16,500 47.890 For the coming year, the accountants at the St. Cloud plant are In the process of helping the sales force create bids for several jobs. Projected data pertaining only to job no. 110 are as follows. Direct materials $17,560 Direct labor cost: Department A (2, 200 hr) 13,060 Department B (508 hr) 12,060 Machine-hours projected: Department A 166 Department B 1, 206 Units produced 12,060 Assume the St. Cloud plant uses three separate overhead rates to assign overhead costs to jobs. b-1. Find the plant wide overhead rate by using expected machine hours. b-2. Find the department overhead rate using expected machine hours for Department A and Department B. b-3. Calculate the projected manufacturing costs per unit for job 110 using the three separate rates computed In b-1 and b-2