listed below are budgeted factory overhead costs for 2008 for gary manufacturing, inc., at a projected level of 2000 units. indirect materials $10,000 indirect labor $20,000 power 15,000 straight line depreciation 30,000 factory property tax 28,000 factory insurance 12,000 Total $115,000 prepare flexible budgets for factory overhead at the 1,000, 2,000 and 4,000 unit levels