Oriole Company uses flexible budgets. At normal capacity of 24000 units, budgeted manufacturing overhead is: $144000 variable and $174000 fixed. If Oriole had actual overhead costs of $323400 for 25000 units produced, what is the difference between actual and budgeted costs? O $600 unfavorable. O $2400 favorable, O $600 favorable. O $1800 unfavorable