PLEASE ANSWER ALL QUESTIONS ON THE NEXT PAGE: class bookType { public : void setBookTitle(string s); //sets the bookTitle to s void setBookISBN(string ISBN); //sets the private member bookISBN to the...

PLEASE ANSWER ALL QUESTIONS ON THE NEXT PAGE:

class

bookType

{

public
:

    void setBookTitle(string s);

            //sets the bookTitle to  s

    void setBookISBN(string ISBN);

            //sets the private member bookISBN to the parameter

    void setBookPrice(double cost);

            //sets the private member bookPrice to cost

    void setCopiesInStock(int noOfCopies);

            //sets the private member copiesInStock to noOfCopies

    void printInfo() const;

            //prints the bookTitle, bookISBN, the bookPrice and the copiesInStock

    string getBookISBN() const;

            //returns the bookISBN

    double getBookPrice() const;

            //returns the bookPrice

    int showQuantityInStock() const;

            //returns the quantity in stock

    void updateQuantity(int addBooks);

            //adds addBooks to the quantityInStock, so that the quantity in stock now has it original

             // value plus the parameter sent to this function

private
:

    string bookName;

    string bookISBN;

    double price;

    int quantity;

};

a)  WRITE the HEADER LINE ONLY for  the FULL FUNCTION DEFINITION for the FUNCTION MEMBER setCopiesInStock.

b)  WRITE the HEADER LINE ONLY for the FULL FUNCTION DEFINITIO for the Class bookType's DESTRUCTOR