(1) Total overhead (2) Total costs of producing 5,0 Problem 4-4. Departmental OH rate after allocation of service cost. Nissan Manila is developing departmental overhead rates based on direct labor hours for its two production departments, Assembly and Finishing after service costs are distributed. The Assembly Department employs 20 people and 80 people for Finishing Department. Each person in these two departments work 2,000 hours per year. The direct overhead costs for the Assembly Department are budgeted at P2,040,000 while the Finishing Department costs are budgeted at P3,200,000. Two service departments, Repair and Power, support the two production departments and have budgeted costs of P480,000 and P1,250,000, respectively. The following data shown below reflect the usage of Repair and Power Department: Departments Services provided by Power Department Repair Department Assembly Department Finishing Department 1,000 hours 840,000 KWH 8,000 hours 120,000 KWH Repair Department 240,000 KWH Power Department 1,000 hours Required: Determine the Departmental Overhead rate assuming the service department costs is allocated using 1. Direct method. 2. Step method 3. Algebraic method