Petrus Framing's cost formula for its supplies cost is $2,300 per month plus $6 per frame. For the month of March, the company planned for activity of 861 frames, but the actual level of activity was 856 frames. The actual supplies cost for the month was $7,790. The activity variance for supplies cost in March would be closest to:

A) $324 U
B) $30 F
C) $324 F
D) $30 U

Supplies Cost

The total expense incurred for items used in the operation of a business but not directly tied to a specific product or service, such as office supplies or cleaning materials.

Activity Variance

The difference between what was expected to be spent on an activity and what was actually spent, often analyzed in budgeting and cost management.

Cost Formula

A mathematical equation or model used to determine the total cost of production or service by considering various cost drivers and fixed and variable costs.