Affordable Electronics Inc. manufactures medium$-$quality, reasonably priced wireless speakers for home use. The company uses standards to control its costs. The labour standards that have been set for one speaker are as follows: Standard HoursStandard Rateper HourStandardCost$12$ minutes $(0\mathrm{.}20$ hours$)$$$19\mathrm{.}00$$$3\mathrm{.}80$ During July, $3,850$ hours of direct labour time were recorded to make $18,000$ units. The direct labour cost totalled $$74,305$ for the month. Required:$1-$a$.$ What direct labour cost should have been incurred to make the $18,000$ speakers? $($Do not round intermediate calculations.$)$Direct labour cost. By how much does direct labour cost differ from the cost that was incurred? $($Indicate the effect of variance by selecting $"$F$"$ for favourable, $"$U$"$ for unfavourable, and "None" for no effect $($i$.$e$.,$ zero variance$).)$ Total variance$2.$ Break down the difference in cost from requirement $1-$b above into a labour rate variance and a labour efficiency variance. $($Indicate the effect of each variance by selecting $"$F$"$ for favourable, $"$U$"$ for unfavourable, and "None" for no effect $($i$.$e$.,$ zero variance$).)$Labour rate varianceLabour efficiency variance The budgeted variable manufacturing overhead rate is $$3\mathrm{.}00$ per direct labour$-$hour. During July, the company incurred $$11,935$ in variable manufacturing overhead cost. Compute the variable overhead spending and efficiency variances for the month. $($Indicate the effect of each variance by selecting $"$F$"$ for favourable, $"$U$"$ for unfavourable, and "None" for no effect $($i$.$e$.,$ zero variance$).)$Variable overhead spending variance