Kaaihue Detailing's Cost Formula for Its Materials and Supplies Is

Multiple Choice

Kaaihue Detailing's cost formula for its materials and supplies is $2,750 per month plus $17 per vehicle. For the month of April, the company planned for activity of 95 vehicles, but the actual level of activity was 135 vehicles. The actual materials and supplies for the month was $4,850.
-The activity variance for materials and supplies in April would be closest to:

A) $680 U
B) $485 F
C) $680 F
D) $485 U