5. Start with an empty queue and then do the following operations: 1. Create a variable called vand give it the value 2 2. Create a variable wand assign it the value v+2 and then perform the operation enqueue![w] 3. Perform the operation enqueue![v] 4. Enqueue the number resulting from w+vto the queue (enqueue![w+v]) 5. Apply the dequeue! operation What is the final value at the head of the queue returned when we apply the head operation?