Timeler USZ Oman Marble Company has two processing departments, Cutting and Polishing. The company uses a multiple predetermined overhead rate in cach processing department under job order costing system. The Cutting Department's predetermined overhead rate is based on machine hours and the Polishing Departments predetermined overhead rate is based on direct labor cost. At the beginning of the current period, the company records show the following estimated information: Direct Labor cost per hour Direct labor-hours Cutting $ 20 Polishing 70 5.000 10,000 Machine-hours 20.000 5.000 Sl 60,000 Total fixed manufacturing overhead cost Variable manufacturing overhead per machine-hour Nariable manufacturing overhead per direct labor-hour $ 100,000 $ 5 $ 8 During the current period the company started and finished a job order number 3122. The Job cost sheet shows the following data for this job Nob3122: Machine-hours Cotting 90 Polishing 20 60 Direct labor-hours $ 500 sl 250 Direct materials $ 450 $ 2.000 Direct labor cost The total job cost for Job3122 is closest to: a $ 5.200 b. None of the given answer $ 6,700 Od $ 6.900 ACCU