13) ) this answer is wrong that a helper gave me. Please help!

13.Ohme Framing's cost formula for its supplies cost is $1.620 per month plus $13 per frame. For the month of April, the company planned for activity of 882 frames, but the actual level of activity was 878 rames. The actual supplies cost for the month was $13 500. What would the supplies cost in the flexible budget for April be closest to? A. $13,500 B. $13,027 lezo +4e-13086 $13,034 D/$13,086