I do not understand

Department Molding Painting Direct labor-hours 34 , 500 55 , 800 Machine-hours 87, 000 37, 000 Fixed manufacturing overhead cost $ 252, 300 $ 541 , 260 Variable manufacturing overhead per machine-hour $ 2 . 40 Variable manufacturing overhead per direct labor-hour $ 4 . 40 Job 205 was started on August 1 and completed on August 10. The company's cost records show the following information concerning the job: Department Molding Painting Direct labor-hours 80 127 Machine-hours 360 69 Direct materials $ 940 $ 1, 180 Direct labor cost $ 700 $ 980 Required: 1. Compute the predetermined overhead rates used in the Molding Department and the Painting Department. 2. Compute the total overhead cost applied to Job-205. 3-a. What would be the total manufacturing cost recorded for Job 205? 3-b. If the job contained 22 units, what would be the unit product cost