Varcoe Corporation bases its budgets on the activity measure customers served. During September, the company planned to serve 40,000 customers, but actually served 35,000 customers. Revenue is $4.00 per customer served. Wages and salaries are $36,100 per month plus $1.40 per customer served. Supplies are $0.70 per customer served. Insurance is $10,300 per month. Miscellaneous expenses are $8,400 per month plus $0.40 per customer served. Required: Prepare a report showing the company's activity variances for September. Indicate in each case whether the variance is favorable (F) or unfavorable (U). (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values and enter any losses with a minus sign.) Varcoe Corporation Activity Variances For the Month Ended September 30 Flexible Planning Budget Budget 35,000 40,000 Activity Variances Customers served Revenue Expenses: Wages and salaries Supplies Insurance Miscellaneous expense Total expense Net operating income (loss)