3: The following during the jetig cost data relate to the manufacturing activities of completed year activities of Chang Company Actual manufacturing over Indirect materials Indirect labor Property taxes, factory Utilities, factory Depreciation, factory Insurance, factory Total actual manufacturing overhead costs incurred $15,000 130,000 8,000 70,000 240,000 10,000 $473,000 Cast Other costs charged to jobs: Direct materials $375,000 Direct labor cost $60,000 Inventories Work in process, beginning $40,000 Work in process, ending $70,000 The company uses a predetermined overhead rate to apply overhead cost to production The rate for the year was $25 per machine-hour. A total of 19,400 machine-hours was recorded for the year Find: a. Compute the amount of under-applied or over-applied overhead cost for the year b. Determine the cost of goods manufactured for the year using the indirect methord