Bickel Corporation uses customers served as its measure of activity. The following report compares the planning budget to the actual operating results for the month of November: Required: Prepare the company's flexible budget performance report for November. Label each variance as favorable (F) or unfavorable (U). (Indicate the effect of each variance by selectikg "F" for favorable, " U " for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.)