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 $189,150. Estimated direct labor cost was $477,750 for 19,500 hours. Actual costs for the most recent month are summarized here: Item Description Direct labor (1,950 hours) Indirect costs Indirect labor Indirect materials Factory rent Factory supervision Total Cost $47,776 2,570 3,430 3,350 4,760 Factory depreciation 5,690 Factory janitorial work 1,160 Factory insurance 1,790 General and administrative salaries 4,170 Selling expenses 5,310 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.