a1) Compute the predetermined overhead rate under the current method, and detemine the unit product cost of Product A. (3 points) At Part2. ABC costing PSH company is considering replacing its traditional costing system with an activity based costing syitem that would assign its overhead to the following three activity cost pools: (a2) Compute the activity rate for each of the three cost pools under ABC. (Round to the nearest two decimal points) (3 points) Answer) Activity rate per machine setup per purchase order per machine hour Qa) Calculate the total overhead costs assigned to Product A using ABC. (3 points) Answer) Q4) Calculate the unit product cost for Product A using ABC (Unit DM+Unit DL+ Unit Overheid)