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 $189,120. Estimated direct labor cost was $460,980 for 19,700 hours. Actual costs for the most recent month are summarized here: Item Description Total Cost Direct labor (1,970 hours) $40,099 Indirect costs Indirect labor 2,540 Indirect materials 3,300 Factory rent 3,240 Factory supervision 4,870 Factory depreciation 5,730 Factory janitorial work 1,220 Factory insurance 1,870 General and administrative salaries 4,100 Selling expenses 5,460 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