I just need help with 3 and 4

Problem I Jackson Company uses a job-order costing system with a predetermined overhead rate based machine-hours. The following estimates were made at the beginning of the year A Machine-hours required to support estimated production 153,000 $656,000 $ 4.10 Fixed manufacturing overhead cost L Variable manufacturing overhead cost per machine-hour Required: 1. Compute the factory-wide predetermined overhead rate. During the year, Job XYZ was started and completed. The following information was available with respect to this job: 2. $ 370 $ 260 37 Direct materials Direct labor cost Machine-hours used Compute the total manufacturing cost assigned to Job XYZ If Job XYZ includes 80 units, what is the unit product cost for this job? Assume that Jackson Company uses a 125% markup on its total manufacturing cost; 3. 4, calculate the selling price per unit established for Job XYZ