After inserting 23, this time delete 30 from the RBT. What nodes are colored black after the deletion? 025, 28,50 19, 25, 28 19, 28, 50 23, 28, 50 What is the postorder traversal of the tree after deleting 30? O 23, 25, 19,50, 28 O 19, 23, 25, 28,50 O 23,50,19, 25, 28 19, 25, 23, 50,28 None of the choices Given the red-black tree as shown, continue the construction of the tree by inserting 23, and then deleting 30. Answer the succeeding questions as these operations are performed. After inserting 23, this time delete 30 from the RBT. What nodes are colored black after the deletion? 025, 28,50 19, 25, 28 19, 28, 50 23, 28, 50 What is the postorder traversal of the tree after deleting 30? O 23, 25, 19,50, 28 O 19, 23, 25, 28,50 O 23,50,19, 25, 28 19, 25, 23, 50,28 None of the choices Given the red-black tree as shown, continue the construction of the tree by inserting 23, and then deleting 30. Answer the succeeding questions as these operations are performed