GIVEN THE FOLLOWING TREE:
WHAT IS THE RESULT OF A POST ORDER TRAVERSAL?
POST ORDER TRAVERSAL: 8, 7, 6, 4, 3, 2, 1
POST ORDER TRAVERSAL: 4, 2, 8, 6, 7, 3, 1
POST ORDER TRAVERSAL: 1, 2, 3, 4, 6, 7, 8