(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.) RIVERBED COMPANY Manufacturing Overhead Flexible Budget Report Differel Favora Unfavor Neither FaI $ $ $ 1 Riverbed Company uses a flexible budget for manufacturing overhead based on direct labor hours. Budgeted variable manufacturing overhead costs per direct labor hour are as follows. Budgeted 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 7,42010,600 direct labor hours per month. Assume that in July 2022, 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. (Lis variable costs before fixed costs.)