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 Standard Standard Quantity Rate Unit Quantity and cost Variable manufacturing overhead 0.6 $0.80 $0.48 During August, LLL had the following actual Units produced and 25,300 sold Actual variable e $ 9,520 overhead Actual direct 16.300 labor hours 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 variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (ie, zero variance).) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance