4. (6 pts) Garfield Corporation uses a predetermined overhead rate based on direct labor hours to apply manufacturing overhead to jobs during the year. Direct materials Direct labor Production supervisor's salary Indirect labor Sales salaries Depreciation on factory equipment Depreciation on sales office copy machines Factory rent 75,000 85,000 55,000 35,000 30,000 15,000 20,000 90,000 Garfield estimates that 50,000 direct labor-hours will be worked during the year. What would be the predetermined overhead rate