Required information Problem 04-3A Applying activity-based costing LO P1, P3, A1, A2, C3 [The following information applies to the questions displayed below.] Craft Pro Machining produces machine tools for the construction industry. The following details about overhead costs were taken from its company records. Indirect Materials Other Overhead Indirect Labor $370,000 Production Activity Grinding Polishing Product modification Providing power System calibration $210,000 450,000 $265,000 550,000 Additional information on the drivers for its production activities follows. Grinding and Polishing Product modification Providing power System calibration 16,000 machine hours 2,100 engineering hours 21,000 direct labor hours 300 batches Number of units Machine hours Job 4286 1,500 units 3,500 MH Job 3175 120 units 350 MH 28 eng. hours 15 batches 490 DLH Engineering hours 28 eng. Batches Direct labor hours hours 45 batches 4,410 DLH Required: 2, 3 & 4. Compute the activity overhead rates using ABC. Combine the grinding and polishing costs into a single cost pool. Determine overhead costs to assign to the above jobs using ABC. What is the overhead cost per unit for Job 3175? What is the overhead cost per unit for Job 4286? (Round your activity rate and average overhead cost per unit to 2 decimal places. Round "overhead assigned" to the nearest whole dollar.) Job 317 Activity Overhead Cost Activity Drivers Activity Rate Activity driver incurred Grinding & Polishing Machine hours Product modification Engineering hrs. Providing power Direct labor hrs. System calibration batches Overhead assigned Job 4286 Activity driver Overhead incurred assigned