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 $187,060. Estimated direct labor cost was $483,570 for 19,900 hours. Actual costs for the most recent month are summarized here: Item Description. Direct labor (1,990 hours) Indirect costs Indirect labor- Indirect materials Factory rent Total Cost $48,358 2,500 3,330 3,300 Factory supervision 4,780 Factory depreciation 5,770 Factory janitorial work 1,220 Factory insurance 1,790 General and administrative salaries 4,170 Selling expenses 5,420 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.