Steelcase Inc. is one of the largest manufacturers of office furniture in the United States. In Grand Rapids, Michigan, it produces filing cabinets in two departments: Fabrication and Assembly. Assume the following information for the Assembly Department: Direct labor per filing cabinet Supervisor salaries Depreciation Direct labor rate 30 minutes $125,000 per month $10,000 per month $30 per hour Prepare a flexible budget for 7,000, 15,000, and 21,000 filing cabinets for the month of assuming that inventories are not significant. Enter all August, amounts as positive numbers. Steelcase Inc. Assembly Department Month Ending August 31 (Assumed Date) Line Item Description Units of production Variable cost: Fixed cost: Total fixed cost Total department costs Amount 7,000 Amount Amount 15,000 21,000 10000