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 Cost Variable manufacturing 0.6 $0.80 $0.48 overhead During August, LLL had the following actual results: Units produced and sold 25,200 Actual variable overhead $ 9,510 Actual direct labor hours 16,200 Required: Compute LLC'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 Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance