TB MC Qu. 2-38 (Static) Thach Corporation uses a job-order costing system... Thach Corporation uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on total foed manufacturing overhead cost of $665,000, variable manufacturing overhead of $3.00 per machine-houc, and 70.000 machine-hours. Recently, Job 1321 was completed with the following characteristics: The unit product cost for Job T 321 is closest to: Muitiple Choice $5850 $11700 551.50 515450