Actual Manufacturing Overhead: Depreciation $ 240,000 Property Taxes- -12,000 Indirect Labour- 82.000 Supervisory Salaries 200.000 Utilities- 59,000 Insurance -30.000 Rental of Space- 300.000 Indirect Material - 79,000 Required a) Compute the firm's predetermined overhead rate, which is based on direct-labour hours. (4 marks) b) Calculate the over-applied or under-applied overhead for 2021. (4 marks) c) Prepare a journal entry to close out the Manufacturing Overhead Account into Cost of Goods Sold. (2 marks) d) Activity based costing (ABC) is an alternative method of allocating overheads. How is ABC useful to managers? (10 marks)