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 Standard Rate Standard Unit Cost Variable manufacturing overhead 0.6 $0.80 $0.48 During August. LLL had the following actual results: Units produced and sold 26.000 Actual variable overhead $ 9,560 Actual direct labor hours 16.700 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/Overapplied and U for unfavorable/underapplied.) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance