Problem 4-5 Budgeted Factory Overhead Costs Listed below are the budgeted factory overhead costs for 2015 for Moss Industries at a projected level of 2,000 units: Expenses: . 20,000 5,000 .. 30,000 28,000 22,000 Straight-line depreciation Factory insurance Total$125.000 Required: 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 listed costs should be considered variable and which should be fixed.)