can you please work this out and give me your reasoning behind it so i can understand this one please :) Olivier Framing's cost formula for its supplies cost is $2,870 per month plus $16 per frame. For the month of January, the company planned for activity of 533 frames, but the actual level of activity was 534 frames. The actual supplies cost for the month was $11,080. The spending variance for supplies cost in January would be closest to: a. $334 U b. $334 F c. $318 U d. $318 F