The following data for November have been provided by Hunn Corporation, a producer of precision drills for oil exploration: Budgeted production Standard machine-hours per drill Standard indirect labor Standard power 3,800 drills 9.1 machine-hours 8.90 per machine-hour 2.50 per machine-hour $ Actual production Actual machine-hours Actual indirect labor Actual power 4,000 drille 35,450 machine-hours $317,923 $ 87,510 Required: Compute the variable overhead rate variances for indirect labor and for power for November. Indicate whether each of the variances is favorable (F) or unfavorable (U). (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (le, zero variance). Input all amounts as positive values.) Variable Overhead Rate Variance Indirect labor Power