Code:
   1.
      #include <iostream>
   2.
      #include <iomanip>
   3.
      using namespace std;
   4.
       
   5.
      void printbill(double kwhused, double rate, double charge, double tax, double total)
   6.
      {
   7.
      // Print Logo
   8.
      cout << "pppppp oooooo w w w eeeeeeee rrrrrrr cccccc oooooo" << endl;
   9.
      cout << "p p o o w w w e r r c c o o" << endl;
  10.
      cout << "p p o o w w w e r r c o o" << endl;
  11.
      cout << "pppppp o o w w w eeeeee rrrrrrr c o o" << endl;
  12.
      cout << "p o o w w w e r r c o o" << endl;
  13.
      cout << "p o o w w w e r r c o o..." << endl;
  14.
      cout << "p o o w w w w e r r c c o o..." << endl;
  15.
      cout << "p oooooo w w eeeeeeee r r cccccc oooooo ..." << endl << endl;
  16.
       
  17.
      // Print column headers
  18.
      cout << setw(10) << "KW/H Used" << setw(10) << "Rate" << setw(10) << "Charge" << setw(10) << "Tax" << setw(10) << "Total";
  19.
       
  20.
      // Print data
  21.
      cout << setw(10) << kwhused << setw(10) << rate << setw(10) << charge << setw(10) << tax << setw(10) << total << endl << endl;
  22.
      }
  23.
       
  24.
      int main()
  25.
      {
  26.
      // Declare constant variables(rate, taxrate)
  27.
      const double rate = .001;
  28.
      const double taxrate = .05;
  29.
       
  30.
      // Declare variables
  31.
      double charge, kwhused, total, tax;
  32.
       
  33.
      // Get kw/hr use
  34.
      cout << "Please input number of kilowatts used : " << endl << endl;
  35.
      cin >> kwhused;
  36.
      cout << endl << endl << endl;
  37.
       
  38.
      // Calculate charge
  39.
      charge = rate * kwhused;
  40.
       
  41.
      // Calculate tax
  42.
      tax = charge * taxrate;
  43.
       
  44.
      // Calculate total
  45.
      total = tax + charge;
  46.
       
  47.
      // Call the printbill() function
  48.
      printbill(kwhused, rate, charge, tax, total);
  49.
       
  50.
      return 0;
  51.
      }


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