Define a Class in C++. (BOOK)

Define a class BOOK in C++ with following description:

• ·         BOOK_NO                Integer type
• ·         BOOK_TITLE          20 characters
• ·         PRICE                       float (price per copy)
• ·         TOTAL_COST()        A function to calculate the total cost for N number of copies, where N is passed to the function as argument

Public members

• ·         INPUT()                     Function to read BOOK_NO, BOOK_TITLE,PRICE
• ·         PURCHASE()            Function to ask the user to input the number of copies to be purchased. It invokes TOTAL_COST() and  prints the total cost to be paid by the user.