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: StandardStandardStandard Quantity Rate Unit Cost Variable manufacturing 0.6 $0. 80 $0 . 48 overhead During August, LLL had the following actual results: Units produced and 24, 400 sold Actual variable $ 9,430 overhead Actual direct labor 15, 400 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 (i.e., zero variance).) Variable Overhead Rabe Vanance Variable Overhead Efficiency Variance Vanable Overhead Spending Vanance