12 For 2014, Thomas Manufacturing uses machine-hours as the only overhead cost-allocation base. The estimated manufacturing overhead costs are $300,000 and estimated machine hours are 50,000. The actual manufacturing overhead costs are $420,000 and actual machine hours are 70,000. Using job costing, the 2014 budgeted manufacturing overhead rate is (2 points) $6.00 per machine-hour O $6.50 per machine-hour $4.80 per machine-hour $5.50 per machine-hour