Riverbed Comparyy uses a flexible budget for manutacturing overhead based on direct labor hours. Variable manutacturing overhead costs per direct labor hour are as follows. Fixed overhead costs per month are Supervision $4,240. Depreciation $1,272, and property Taxes $848. The company believes it will normally operate in a range of 7,420-10,600 direct labor hours per month. Assume that in July 2025, Riverbed Company incurs the following manufacturing overhead costs. (a) Prepare a flexible budget performance report, assuming that the company worked 9,540 direct labor hours during the month. (List variable costs before fixed costs.) (b) Prepare a flexible budget performance report, assuming that the company worked 9,010 direct labor hours during the month. (List variable costs before fixed costs.) (b) Prepare a flexible budget performance report, assuming that the company worked 9,010 direct labor hours during the month. (List