Lavage Rapide owns and operates a large automatic car wash facility near Montreal. The following table provides estimates concerning the company$$s costs:

Fixed Cost per Month Cost per Car Washed

Cleaning supplies $ $0\mathrm{.}40$

Electricity $ $1,300$ $ $0\mathrm{.}07$

Maintenance $ $0\mathrm{.}15$

Wages and salaries $ $4,000$ $ $0\mathrm{.}20$

Depreciation $ $8,300$

Rent $ $1,900$

Administrative expenses $ $1,700$ $ $0\mathrm{.}05$

For example, electricity costs should be $$1,300$ per month plus $$0\mathrm{.}07$ per car washed. The company expects to wash $8,000$ cars in August and to collect an average of $$6\mathrm{.}00$ per car washed. The company actually washed $8,100$ cars in August.

Required:

Calculate the company's activity variances for August.

Note: 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.