please help me complete the following below, thank you

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 produces filing cabinets in two departments: Fabrication and Assembly. Assume the following information for the Assembly Department: Direct labor per filing cabinet 30 minutes Supervisor salaries $104,000 per month Depreciation $7,000 per month Direct labor rate $24 per hour This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis, and input your answers in the question below. Open spreadsheet Prepare a flexible budget for 4,000, 10,000, and 16,000 filing cabinets for the month of August, similar to Exhibit 5, assuming that inventories are not significant. Enter all amounts as positive numbers. STEELCASE INC. Assembly Department Budget Month Ending August 31 (Assumed Data) Units of production 4,000 10,000 16,000 Variable costs: $ fill in the blank 3 $ fill in the blank 4 $ fill in the blank 5 Fixed costs: $ fill in the blank 7 $ fill in the blank 8 $ fill in the blank 9 fill in the blank 11 fill in the blank 12 fill in the blank 13 Total fixed cost $ fill in the blank 14 $ fill in the blank 15 $ fill in the blank 16 Total department costs $ fill in the blank 17 $ fill in the blank 18 $ fill in the blank 19