c++

#include<iostream>using namespace std;class aa{private:int num;int quantity;float price;static float discount;static float sum;static int n;public:aa(int n,int q,float p){num=n;price=p;}void total();static float average();static void display();};void aa::total(){float rate=1.0;if(quantity>10){rate=rate*0.98;}sum=sum+quantity*price*rate*(1-discount);n=n+quantity;}void aa::display(){cout<<sum<<endl;cout<<average<<endl;}float aa::average(){return (sum/n*1.0);}float aa::discount=0.05;float aa::sum=0;int aa::n=0;int main(){aa prod[3]={aa(101,5,23.5),aa(102,12,24.56),aa(103,100,21.5)};for(int i=0;i<3;i++){prod[i].total();}aa::display();return 0;}