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: andard Standard Standard Quantity Rate Unit Variable manufacturing S0.80 $0.48 overhead During August, LLL had the following actual results: Units produced and solkd Actual variable overhead Actual direct labor hours 24,300 $ 9,420 15,300 Required: Compute LLL s vanable overhead rate vanance variable overhead efficiency variance, and over or underapplied vanable overhead Do not round intermediate calculations indicate the effect o each variance by selecting "F FavorableOverapplied and "U" for Unfavorable/Underapplied.) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Varlable Overhead Spending Variance