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Adger Corporation is a service company that measures its output based on the number of customers served. The

company provided the following fixed and varlable cost estimates that it uses for budgeting purposes and the actual

results for May as shown below:

When preparing Its planning budget the company estimated that it would serve $30$ customers per month; however, during

May the company actually served $35$ customers.

What is Adger's revenue varlance for May?

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

variance$).$ Input all amounts as positlve values.