PLEASE HELP!!! Can someone please help me with these two functions (question Q5a and Q5b). I use Visual Studio to run the program. Please read the instructions carefully and explain the codes. Thanks in advance. I will also give thumbs up!!!!

Q5: Remove book and delete database (20 points) File: Main.cpp (10 points) // Q5a: Implement removeBook() to remove the node that matches name, noOfbooks, andd Library number. Please select one option: a: Add a new book to the database r: Remove a book from the database : 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: 4 Please select the library number: Noble Library ? Hayden Library Book removed from the database 6 l Page CSE220 Programming for Computer Engineering Project 06 File: Main.cpp (10 points) // Q5b: Implement deleteDatabase() to remove all nodes in the list. Make sure no memory leak will occur // This function is already called when exiting the program. You do not need to call it any where else