Margolos, lnc. ends the month with a volume variance of $6, 360 unfavorable. If budgeted fixed factory overhead was $480,000, overhead was applied on the basis of 32,000 budgeted machine hours, and budgeted variable factory overhead was $170,000, what were the actual machine hours (AH) for the month? 32, 424 32,000 31, 687 31, 576