Use the following information to answer questions 21-22. Teel Printing uses two measures of activity, press runs and book set-ups, in the cost formulas in its budgets and performance reports. The cost formula for wages and salaries is $9,500 per month plus $560 per press run plus $850 per book set-up. The company expected its activity in November to be 305 press runs and 130 book set- ups, but the actual activity was 290 press runs and 120 book set-ups. The actual cost for wages and salaries in November was $288,700, The activity variance for wages and salaries in November would be $ AF