Dubbertly Corporation's cost formula for its manufacturing overhead is $30,600 per month plus $64 per machine-hour. For the month of March, the company planned for activity of 7900 machine-hours, but the actual level of activity was the month was $558,610. 7,880 machine-hours. The actual manufacturing overhead for The manufacturing overhead in the flexible budget for March would be closest to: Multiple Choice $558,610 $536,200 $534,843 $534,920