HELP PLEASE!!! Can someone help me with this question? Please read the instructions carefully and explain the codes. I use Visual Studio to run the program. Thanks in advance!!! I'll give thumbs up!

Q4: Add Book Function (10 points) File: Main.cpp // Q4: Add Book // This function will be used to add a new book to the tail of the global linked list // You will need to use the enum 'Library' variable to determine which constructor to use. So if the user chooses Noble library for the book, then you need to use Noble class and constructor to create new book info // Note that searchBook() is called before this function, therefore, the new book is not on the list. 5l Page CSE220 Programming for Computer Engineering Project 06 CSE220 Project 6: Library Database using classes Please select one option: a: Add a new book to the database r: Remove a book from the database c: Change the available number of books d: Display all books in the database s: Sort the list of books in the database e: Exit and save the database in DB.txt Please enter the book's name: intro to java Please enter the number of books available: Please select the library number: . Noble Library 1. Hayden Library Book added to the library database