customers served. During November, the company planned to serve 21,000 customers. The company has provided the following data concerning the formulas it uses in its budgeting: Fixed element per Variable element per month customer Revenue $ 0 $ 6.90 Wages and salaries $ 37.700 $ 2.70 Supplies $ 0 $ 1.10 Insurance $ 9,900 $ 0.00 Miscellaneous $ 6,600 $ 0.20 expense The company has also furnished its income statement for November Felicetti Corporation Income Statement For the Month Ended November 30 Actual customers served 26,000 Revenue $ 177,900 Expenses: Wages and salaries 108.900 Supplies 26,900 Insurance 11,900 Miscellaneous expense 14,200 Total expense 161,900 Net operating income $ 16,000 Required: Prepare a report showing the company's activity variances for November. Indicate in each case whether the variance is favorable (F) or unfavorable (U)