During August, the factory worked only $800$ direct labor$-$hours and

produced $1\mathrm{.}900$ sets of covers. The following actual costs were recorded

during the month:

At standard, each set of covers should require $3\mathrm{.}0$ yards of material. All of

the materials purchased during the month were used in production.

Required:

Compute the materials price and quantity variances for August.

Compute the labor rate and efficiency variances for August.

Compute the variable overhead rate and efficiency variances for August.

$($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.$)$