The standards for product G$78$V specify $5\mathrm{.}2$ direct labor$-$hours per unit at $$13\mathrm{.}50$ per direct labor$-$hour. Last month $1,710$ units of product G$78$V were produced using $8,930$ direct labor$-$hours at a total direct labor wage cost of $$115,220.$

Required:

a$.$ What was the labor rate variance for the month?

b$.$ What was the labor efficiency varlance for the month?

$($Indicate the effect of each variance by selecting $"$F$"$ for favorable, $"$U$"$ for unfavorable, and "None" for no effect $($i$.$e$.,$ zero variance$).$ Input all amounts as positive values.$)$

$\backslash$table$[[$a$.$ Labor rate variance,,$],[$b$.$ Labor efficiency variance,,$]]$