Lamp Light Limited (LLL) manufactures lampshades. It applies variable overhead on the basis of direct labor hours. Information from LLL's standard cost card follows: Standard Quantity Rate Standard Standard Unit Cost Variable manufacturing overhead 0.6 $0.80 $0.48 During August, LLL had the following actual results: Units produced and sold Actual variable overhead Actual direct labor hours $ 25,100 9,500 16,100 Required: Compute LLL's variable overhead rate variance, variable overhead efficiency variance, and over- or underapplied variable overhead. (Do not round Intermediate calculations. Indicate the effect of each varlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (I.e., zero varlance).) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance