Listed below are the factory overhead costs for 2008 for gary Manufacturing Inc. at a projected level of 2,000 units: Expenses 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. (Hint: You must first decide which of the above costs is variable or fixed.)