Required information The following information applies to the questions displayed below.) Adger Corporation is a service compary that measures its output based on the number of customers served. The compary provided the following fixed and variable cost estimates that it uses for budgeting purposes and the actual results for May as shown below: When prepartigg its planning budget the company estimated that it would serve 35 customers per month; however, durin May the company actually served 40 customers. What is Adger's revenue varlance for May? (Indicete the effect of each voriance by selecting "F" for favornble, "U" for anfovorable, and "None" for no effect (i.e., zero varionce). Input all amounts as positive values.)