Autogas Corporation manufactures industrial-sized gas furnaces and uses budgeted machine hours to allocate variable manufacturing overhead. The following information relates to the company's manufacturing overhead data: Budgeted output units 43,250 units Budgeted machine-hours 17,300 hours Budgeted variable manufacturing overhead costs for 43,250 units $397,900 Actual output units produced 47,250 units Actual machine-hours used 14400 hours Actual variable manufacturing overhead costs $447555 What is the flexible-budget variance for variable manufacturing overhead? $49,655 unfavorable $12,855 unfavorable $49,655 favorable $12,855 favorable