Indicate whether a stack, or a queue, or none of them be a suitable data structure for each of the following application. (1) A bank simulation of its teller operation to see how waiting times would be affected by adding another teller. (2) An address book to be maintained (3) A word processor to have PF key that causes the preceding command to be redisplayed. Every time the user presses the PF key the program show the command that preceded the command that preceded the one currently displayed. (4) A program to keep track of patients as they check into a medical clinic, assigning patients to doctors on first come, first serve basis. (5) A data structure used to track return addresses for nested functions while a program is of the running. 5. (10%) Use the linked list picture below Write as few statements as possible to do each of the following: (1) Delete the node containing 45. (2) Create a new node that contains 48 and insert the new node after the node containing15