Bickel Corporation uses customers served as its measure of activity. The following is a report of the actual operating results for the month of November Bickel Corporation Actual Results For the Month Ended November 30 Actual Results 23,800 Customers served Revenue ($3.509) $ 80,400 Expenses : Wages and salaries ($22,200 + $1.129) Supplies ($9.529) $ 47,960 10, 340 Insurance ($4,1ee) 4,100 Miscellaneous expense ($3,199 + $0.329) 9,640 Total expense $ 71,440 Net operating income $ 8,960 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 verlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (I.e., zero verlance). Input all amounts as positive values.) Bickel Corporation Flexible Budget Performance Report For the Month Ended November 30 Revenue Actual and Flexible Results Spending Budget Variances 23.000 23,000 Activity Variances Planning Budget 22.000 Customers served Revenue Expenses Wages and salaries Supplies Insurance Miscellaneous expense Total expense Net operating income