Lamp Light Limited $($LLL$)$ manufactures lampshades. It applies variable overhead on the basis of direct labor hours. Information from

LLL$\text{'}$s standard cost card follows:

During August, LLL had the following actual results:

Required:

Compute LLL$\text{'}$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$).)$