answer chocies in second photo

Choose the correct answer based on the graph shown below where the nodes are locations that a robot can reach and occupy. and the edges connecting the nodes show the direction the robot can travel from one location to another and the cost it pays doing that. What is the cost for the optimal path from b3 (start node) to c3 (goal node)? r123 storage 4 o125 0123 9 0119 cl 8 6 c2 c3 3 16 b! 6 b2 3 b3 7 54 4 7 olll mail B Is 0103 12 0109 13 7 19 9