Required 1 Required 2 Required 3 Determine departmental overhead rates and compute the overhead cost per unit for each product line. Base your overhead assignment for the components department on machine hours. Use welding hours to assign overhead costs to the finishing department. Assign costs to the support department based on number of purchase orders. (Round your intermediate calculations and per unit cost answers to 2 decimal places.) Components department Number of units > $ 466,000 $ 312,000 x 1.49 per batch Number of setups Finishing department Welding hours Number of inspections Support department 0 0 Model 145 Activity Driver Departmental Total Overhead OH Rate Cost Components $ 0 Finishing Support $ 0 0 Model 212 Activity Driver Departmental OH Rate Total Overhead Cost Components $ 0 Finishing $ 0 Support 0