Immen Corporation bases its budgets on the activity measure customers served. During May, the company planned to serve 38,000 customers. The company has provided the following data concerning the formulas its uses in its budgeting:

Fixed element per monthVariable element per customer

Revenue-$2.70

Wages and salaries $36,300 $0.80

Supplies$0$0.30

Insurance $6,900 $0.00

Miscellaneous $6,200 $0.20

The company has also furnished its income statement for May:

Immen Corp

Income Statement

For the month ended May 31

Actual customer served42,000

Revenue$115,500

Expenses:

Wages and salaries 72,700

Supplies 15,200

Insurance 7,400

Miscellaneous 14,700

Total Expense$110,000

Net operating income $5,500

How can I make a report showing the company's activity variances for May?

I have to also indicate in each case whether the variance is favorable (F) or unfavorable (U).