3. (4 points) Use the following search tree to answer questions below. Assume that node P is the goal, and that the search will end once the goal is examined. a) In what order are the nodes examined during a Breadth-First Search of the tree? b) In what order are the nodes examined during a Depth-First Search of the tree? c) In what order are the nodes examined during a Depth Limited Search of the tree where the depth limit equals 3. d) In what order are the nodes examined during an Iterative Deepening search of the tree