Help me please

Larance Detailing's cost formula for its materials and supplies is $2,000 per month plus $5 per vehicle. For the month of November, the company planned for activity of 95 vehicles, but the actual level of activity was 55 vehicles. The actual materials and supplies for the month was $2,320. The materials and supplies in the flexible budget for November would be closest to: O SA10 O $2,475 O $2.320 O $2.275