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29) Create a class for inventory of Mobile containing Model_Number, Company_Name, Price, Stock as data members. Mobile can be sold, if stock is available, otherwise purchase will be made. Write a C++ program to perform following functions :
i. To accept and display mobile details ii. To sale a Mobile (Sale contains Model_Number & Quantity of mobile)
iii. To Purchase a Mobile (Purchase contains Model_Numbet & Quantity of mobile).


					
                      
 
#include<iostream.h>

#include<conio.h>


#include<string.h>

class inventory

{

                int mno;char mname[30];

                int stock;float price;

                public :

                void accept()

                {

                                cout<<"\n Enter model no :";

                                cin>>mno;

                                cout<<"\n Enter model name : ";

                                cin>>mname;

                                cout<<"\n enter price : ";

                                cin>>price;

                                cout<<"\n Enter stock : ";

                                cin>>stock;

                }

                void display()

                {

                                cout<<"\n model no is : "<
                }


                int sale(int no,int q)

                {

                                if(mno==no)

                                {

                                                if(stock>=q)

                                                {

                                                stock =stock-q;

                                                cout<<"\n sale is done : ";

                                                display();

                                                return 2;

                                                }

                                                else

                                                cout<<"\n purchse is requried .";

                                                //purchase();

                                                return 1;

                                }

                                return 0;

                }


                void purchase(int no,int q)

                {

                                if(no==mno)

                                {

                                                stock=stock+q;

                                                cout<<"\n purchase is done...";

                                                display();

                                }

                }



};



void main()

{

                inventory in[10] ;

                int qt,ans,no;

                clrscr();

                cout<<"\n Enter no of models : ";

                int n;

                cin>>n;

                for(int i=0;i
                in[i].accept();

                cout<<"===================================";

                for(i=0;i
                in[i].display();

                cout<<"\n Enter model to be purchaes and quantity : ";

                cin>>no;

                cin>>qt;

                for(i=0;i
                { 

				ans=               in[i].sale(no,qt) ;

                }

                if(ans==1)

                {

                cout<<"\n Enter model to be purchaes and quantity : ";

                cin>>no;

                cin>>qt;

                for(i=0;i
                {      in[i].purchase(no,qt);

                }


                }

                getch();

}

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