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 selecting "F" for favoroble, " U " for unfovorable, and "None" for no effect (i.e., zero variance). Input all omounts as positive values.)