Varcoe corp bases its budgets on the activity measure customers served. During Sept co planned to serve 34,000 customers, but actually served 29,000. Revenue is $3.88 per customer served. Wages and salaries are $34,900 per month plus $1.28 per customer served. Supplies are $0.58 per customer served, insurance is $9100 per month. Misc expenses are $7200 per month plus $0.28 per customer served. Prepare Activity variances for month of Sept 30.