Varcoe Corporation bases its budgets on the activity measure customers served. During September, the company planned to serve 30,000 customers, but actually served 22.000 customers. Revenue is $3 80 per customer served. Wages and salaries are $34,100 per month plus S120 per customer served Supplies are so 50 per customer served Insurance is $8.300 per month. Miscellaneous expenses are $6.400 per month plus 50 20 per customer served Required: (You must show your work to receive full credit) 4 pts Calculate the amount of the activity variances for Revenue & Miscellaneous expenses. Indicate in each case whether the variance is favorable ( or unfavorable (0)