C++

A Bookstore maintains an inventory of books. Each Book has a title (string), author (string), isbn (string), cost (double) and number in stock (int). Create the Book & Bookstore classes. Store all of the books in a vector in the Bookstore object. Make all data attributes private. Define all accessor & mutator functions. Your main function displays a menu: 1. New inventory: your program asks for isbn and number of copies of the new books. If the isbn is in stock, the number of new books is added to the existing number of books with the same isbn. If the ison is not in stock, the program asks for the title, author, and cost, and stores the information. Then the program re-displays the menu. 2. Book sold: your program asks for isbn number and updates the inventory amount in memory. If isbn not in stock, display an error message. (Only 1 copy of a book is sold at a time!) Then the program re-displays the menu. 3. Inventory list: your program lists each book (isbn, title, author, cost, number in stock). Then the program re-displays the menu