Flexible Budget for Assembly Department Steelcase 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: 15 minutes $200,000 per month Direct labor per filing cabinet Supervisor salaries Depreciation Direct labor rate $30,000 per month $25 per hour Prepare a flexible budget for 25,000, 40,000, and 55,000 filing cabinets for the month of March in the Assembly Department, similar to Exhibit 5. Steelcase Inc. Assembly Department Budget For the Month Ending March 31 (assumed data) Units of production 25,000 40,000 55,000 Variable cost: 156,250 $250,000 $343,750 Total variable cost Fixed cost: "000000 Total fixed cost Total department costs