Roseler Company uses a normal job-order costing system. The company has two departments through which most jobs pass. Overhead is applied using a plantwide overhead rate of $7.50 per direct labor hour. During the year, several jobs were completed: Data pertaining to one such job, Job 9-601, follow: Direct materials $12,000 Direct labor cost: Department A (450 hours $18) Department B (120 hours $18) Machine hours used: Department A Department B Units produced Required: 1. Compute the total cost of Job 9-601. $8,100 $2,160 200 800 1,000 2. Compute the per-unit manufacturing cost for Job 9-601. Round your answer to the nearest cent. For Requirements 3 and 4, assume that Roseler uses departmental overhead rates. In Department A, overhead is applied at the rate of $3 per direct labor hour. In Department B, overhead is applied at the rate of $4.50 per machine hour. 3. Compute the total cost of Job 9-601. 4. Compute the per-unit manufacturing cost for Job 9-601. Round your answer to the nearest cent.