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 Variable manufacturing Standard Standard Quantity Itate 0.6 50.89 Standard Unit cost $0.48 overhead During August, LLL had the following actual results: Units produced and sold Actual variable overhead Actul direct labor hours 24,200 $9.410 Required: Compute LUL's variable overhead rate variance, variable overhead efficiency variance, and over- or underapplied variable overhead (Do not round intermediote calculations. Indicate the effect of each variance by selecting "P" for favorable. "U" for unfavorable, and "None" for no effect (e., zero variance)) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance