Verizox Company uses a job order cost system with manufacturing overhead applied to products based on direct labor hours. At the beginning of the most recent year, the company estimated its manufacturing overhead cost at $199,000. Estimated direct labor cost was $483,570 for 19,900 hours. Actual costs for the most recent month are summarized here: Total Item Description Cost Direct labor (1,990 hours) $48,358 Indirect costs Indirect labor Indirect materials Factory rent Factory supervision 2,420 3,350 3,390 4,820 Factory depreciation 5,600 Factory janitorial work 1,260 Factory insurance 1,780 General and administrative salaries 4,220 Selling expenses 5,390 Required: 1. Calculate the predetermined overhead rate. 2. Calculate the amount of applied manufacturing overhead. 3. Calculate actual manufacturing overhead costs. 4. Compute over- or underapplied overhead