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 0.6 Standard Rate Standard Unit Cost $0.48 Variable manufacturing overhead 50.80 During August, LLL had the following actual results Units produced and sold Actual variable overhead Actual direct labor hours $ 25,500 9,560 16,500 Required: Compute LIL'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 (le, zero variance).) Variable Overhead Rate Vanance Variable Overhead Efficiency Variance Vanable Overhead Spending Varance