Nodes A, B, and C are placed on an initialized queue in the order first A, then B, and finally C. a) Draw a picture of the queue using the standard abstract graphic. Note: Examples of this may be found in Figure 3.19 and Figure 3.20 in the textbook on page 149. You may do a, b, and c on the same diagram. b) Indicate the position of the rear of the queue. c) Indicate the position of the front of the queue d) A Dequeue operation is performed. What node is returned?