A company's planned activity level for next year is expected to be 100000 machine hours. At this level of activity, the company budgeted the following manufacturing overhead costs Variable Indirect materials Indirect labor Factory supplies $150000 210000 21000 Depreciation Taxes Supervision $60000 10000 50000 A flexible budget prepared at the 80000 machine hours level of activity would show total manufacturing overhead costs of $400800 $424800 $304800 $381000 O