Acme Company's production budget for August is 18,200 unlts and includes the following component unit costs: direct materlals, $8.00; direct labor, $10.70; varlable overhead, $6.70. Budgeted fixed overhead is $39,000. Actual production In August was 19,440 units. Actual unit component costs Incurred during August Include direct materlals, $8.90; direct labor, $9.70; varlable overhead, $7.50. Actual fixed overhead was $41,200. The standard direct labor cost per unit consists of 0.5 hour of labor time at $21.4 per hour. Durlng August, $188,568 of actual labor cost was incurred for 8,730 direct labor hours. Requlred: Calculate the labor rate varlance and labor efficlency varlance for August. Note: Indlcate the effect of each varlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (l.e., zero varlance)