Peixoto Framing's cost formula for its supplies cost is $1,280 per month plus $19 per frame. For the month of July, the company planned for activity of 547 frames, but the actual level of activity was 546 frames. The actual supplies cost for the month was $9,170. The supplies cost in the planning budget for July would be closest to: Multiple Choice O $11,929 O $11.659 O $11,946 O $11,673