6. The following data have been provided by Vegas Corporation: Budgeted production 8,300 unita Standard machine-hours per unit 4.5 machine-hours Standard lubricants Standard supplies $ 5.10 per machine-hour $ Actual production 2.90 per machine-hour 8,600 units Actual machine-hours 38,270 machine-hours Actual lubricants (total) $ 211,801 Actual supplies (total) $ 107,566 Required: Compute the variable overhead rate variances for lubricants and for supplies. Indicate whether each of the variances is favorable (F) or unfavorable (U). Show your work.