Bramble Company estimates that 384,000 direct labor hours will be worked during the coming year, 2022, in the Packaging Department. On this basis, the following budgeted manufacturing overhead cost data are computed for the year. Fixed Overhead Costs Supervision $122,880 Depreciation Insurance Rent Property taxes Variable Overhead Costs Indirect labor 92.160 Indirect materials Repairs Utilities 38,400 30,720 23.040 $307.200 Lubricants $161.280 115,200 88,320 92.160 23.040 $480,000 It is estimated that direct labor hours worked each month will range from 33.600 to 48,000 hours. During October, 33,600 direct labor hours were worked, and the following overhead costs were incurred. Fixed overhead costs: supervision $10,240, depreciation $7,680, insurance $3,144, rent $2,560, and property taxes $1.920. Variable overhead costs: indirect labor $15,897, indirect materials $9,840, repairs $7,562, utilities $8.736, and lubricants $2.448. (a) Prepare a monthly manufacturing overhead flexible budget for each increment of 4,800 direct labor hours over the relevant range for the year ending December 31, 2022. (List variable costs before fixed costs.)