Muscat Sayarati Co. uses a job-order costing system with a single plantwide predetermined overhead rate based on labor-hours. The company based its predetermined overhead rate for the current year on total fixed manufacturing overhead cost of $630,000, variable manufacturing overhead of $6.00 per labor-hour, and 35,000 labor-hours. The job sheet of Job G828 shows that the number of units in this job order is 45 units which incurred total of 90 labor-hours. This job consumed $14/unit of direct materials cost and $64/unit of direct labor costs. What would be the total ?cost for Job G828 approximately $5.670 .a $5.130 .b $4,590 C $4.320 d .None of the given answers re