Zelmer Company manufactures tablecloths. Sales have grown rapidly over the past 2 years. As a result, the president has installed a budgetary control system for 2017. The following data were used in developing the master manufacturing overhead budget for the Ironing Department, which is based on an activity index of direct labor hours. Rate per Direct Variable Costs Labor Hour Annual Fixed Costs Indirect labor $0.40 Supervision $48,000 Indirect materials 0.50 Depreciation 18,000 Factory utilities 0.30 Insurance 12,000 Factory repairs 0.20 Rent 30,000 The master overhead budget was prepared on the expectation that 480,000 direct labor hours will be worked during the year. In June, 41,000 direct labor hours were worked. At that level of activity, actual costs were as shown below. Variableper direct labor hour: indirect labor $0.44, indirect materials $0.48, factory utilities $0.32, and factory repairs $0.25. Fixed: same as budgeted. Instructions (a) Prepare a monthly manufacturing overhead fl exible budget for the year ending December 31, 2017, assuming production levels range from 35,000 to 50,000 direct labor hours. Use increments of 5,000 direct labor hours. (b) Prepare a budget report for June comparing actual results with budget data based on the fl exible budget. (c) Were costs effectively controlled? Explain. (d) State the formula for computing the total budgeted costs for the Ironing Department. (e) Prepare the fl exible budget graph, showing total budgeted costs at 35,000 and 45,000 direct labor hours. Use increments of 5,000 direct labor hours on the horizontal axis and increments of $10,000 on the vertical axi