Oriole Company uses a flexible budget for manufacturing overhead based on direct labor hours. Variable manufacturing overhead costs per direct labor hour are as follows: Indirect labor $1.00 Indirect materials 0.70 Utilities 0.20 Fixed overhead costs per month are Supervision $4,100, Depreciation $1,900, and Property Taxes $700. The company believes it will normally operate in a range of 7,300-10,900 direct labor hours per month. Prepare a monthly manufacturing overhead flexible budget for 2020 for the expected range of activity, using increments of 1,200 direct labor hours. (List variable costs before fixed costs.)