Groupe Air uses two measures of activity, flights and passengers, in the cost formulas in its budgets and performance reports. The cost formula for plane operating costs is $36,140 per month plus $2,038 per flight plus $1 per passenger. The company expected its activity in October to be 74 flights and 224 passengers, but the actual activity was 73 flights and 229 passengers. The actual cost for plane operating costs in October was $180,560. The activity variance for plane operating costs in October would be closest to