While gelato is sold by the cone or cup, the shop measures its activity in terms of the total number of liters of gelato sold. For example,

wages should be $$6,800$ plus $$2\mathrm{.}60$ per liter of gelato sold and the actual wages for June were $$23,700.$ Via Gelato

$6,400$ liters in June, but actually sold $6,600$ liters.

Required:

Calculate Via Gelato revenue and spending variances for June. $($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.$)$