//---------------------------------------------------
// Purpose: Program to demonstrate data input with loops
// Author:  John Gauch 
//---------------------------------------------------
#include <iostream>
using namespace std;

int main()
{
   // Declare and initialize variables
   int DailySales = 0;
   int TotalSales = 0;
   float AverageSales = 0.0;
   int NumDays = 0;

   // Read daily sales amount
   cout << "Enter the amount of today's sales in whole dollar values, or -1 to quit: ";
   cin >> DailySales;

   // While loop to total up the daily sales
   while (DailySales != -1)
   {
      // ADD code here to update the total sales

      // ADD code here to update the number of days whose data you have

      // Read daily sales amount
      cout << "Enter the amount of today's sales in whole dollar values, or -1 to quit: ";
      cin >> DailySales;
   }

   // Output the number of days and total sales
   cout << "Your total sales after " << NumDays << " days is " << TotalSales << "\n";

   // ADD code here to calculate the average daily sales

   // Output the average daily sales
   cout << "Your average daily sales " << AverageSales << "\n";
   return 0;
}