QS 4-5 Chen Company identified the following activities, costs, and activity drivers. Required 1. Assign overhead costs to each product model using activity-based costing (ABC). What is the cost per unit of each model? 2. Assume the plantwide overhead rate is $24.80/DLH. Assign overhead costs to each product model using the single plantwide overhead rate assuming the fast model requires 25,000 direct labor hours and the standard model requires 60,000 direct labor hours. What is the overhead cost per unit for each model