Cabinaire Inc. is one of the largest manufacturers of office furniture in the United States. In Grand Rapids, Michigan, it assembles filing cabinets in an Assembly Department. Assume the following information for the Assembly Department: Direct labor per filing cabinet Supervisor salaries Depreciation Direct labor rate 20 minutes $114,000 per month $29,000 per month $12 per hour Prepare a flexible budget for 12,000, 15,000, and 18,000 filing cabinets for the month of March in the Assembly Department similar to Exhibit 5 Enter all amounts as positive numbers. Cabinaire Inc. Assembly Department Budget Month Ending March 31 (assumed data) 2,00015,000 18,000 Units of production Variable cost: Total variable cost Fixed cost: Total fixed cost Total department costs