For example, electriclty costs should be $$1,100$ per month plus $$0\mathrm{.}06$ per car washed. The company expects to wash $8,300$ cars in

August and to collect an average of $$6\mathrm{.}90$ per car washed.

The actual operating results for August are as follows:

Required:

Calculate the company's revenue and spending varlances for August.

Note: Indlcate the effect of each varlance by selecting $"$F$"$ for favorable, $"$U$"$ for unfavorable, and "None" for no effect $($I$.$e$.,$ zero

varlance$).$ Input all amounts as positive values.