text: //*******************************************************
  // This program calculates the sale price of an iostream
  // that is regularly priced at $59.95, with a 20 percent
  // discount subtracted.
  //
  // By: Jesus Hilario Hernandez
  // Last Updated: November 22, 2016
  //*******************************************************
  #include <iostream>
  using namespace std;
  
  int main()
  {
      // Variables to hold the regular price, the
      // amount of a discount, and the sale price.
      double regularPrice = 59.99, discount, salePrice;
  
      // Calculate the amount of a 20% discount.
      discount = regularPrice * 0.2;
  
      // Calculate the sale price by subtracting the
      // discount from the regular price.
      salePrice = regularPrice - discount;
  
      // Display the results.
      cout << "Regular price: $" << regularPrice << endl;
      cout << "Discount amount: $" << discount << endl;
      cout << "Sale price: $" << salePrice << endl;
      return 0;
  }
  