Hansen, Kotter, and Zales is a law firm that contains one service department (Research & Document) and two production departments (Litigation and Consulting). The firm employs a job-order costing system to accumulate costs chargeable to each client. The firm uses actual costing to assign overhead. General overhead costs can be allocated based on either direct attorney hours or the number of employees, depending on managers' choice. At the end of the year, the records revealed the actual general overhead costs are $720,000. At the end of the year, the records revealed the following costs and operating data for all cases handled during the year: Research & Document Litigation Consulting # of Employees 10 8 6 Direct Attorney Hours(# of hrs) 3,000 8,000 5,000 Direct Attorney Costs ($) $150,000 $400,000 $250,000 Direct Material Costs (S) $16,000 $15,500 $13,500 *** 50% of Research & Department's service is provided to litigation department and the other 50% to consulting department. Part I Cost Allocation a. (2 points) Compute the overhead allocation rates for general overhead based on different cost drivers. What are the overhead costs assigned to each department, using different cost drivers? b. (3 points) Compare the total costs of each production department after departmental cost allocation, using attorney hours and the number of employees as cost driver, respectively. Does the choice of cost driver affect the total costs of each production department