#ifndef SALES_H #define SALES_H #include using std:: string; class Sales { private: /* Write your code here */ string id; int year; string name; int amountSold; public: // constructors /* Write your code here */ //default contructors Sales (); //overloaded cóntructors Sales (string id, int year, string name, int amountSold) // setters /* Write your code here */ void setId (string givenId); void setYear (int givenYear); void setName (string givenName); void setAmount (int givenAmount); // getters /* Write your code here */ string getId(); int getYear (); string getName(); int getAmount(); // other functions /* Write your code here */ void display() const; double detAmountEarned() const; double detCommissionPercent() const; #endif

The average amount Sold function is not run as expect. Please fix it.

The input file: sales.txt 

header in picture. It is over 5000 char. I can't copy.

13492785 2017 Jane North; 1000    
78534520 2012 Tim South; 950
20192756 2017 Linda East; 15000    
19273458 2012 Paul West; 5000
78520192 2017 Mary Jane Doe; 5001    
32278520 2012 Victor Smith; 7995
14278520 2012 Mary Johnson; 120
56192785 2017 Tom Baker; 1300    
88278529 2012 Diana Newman; 1500
89278527 2012 William Peterson; 14200
98278528 2012 Jim Gaddis; 1200
99192785 2017 Laura King; 1000    
43278524 2012 Ann McDonald; 2000

The output expect: in picture.

#include "Sales.h"
#include <iostream>
#include <sstream>
#include <iomanip>
#include <fstream>
#include <string>
using namespace std;

const int MAX_SIZE = 30;

void readData(string fileName, Sales salesArr[], int n);
double calcSalesAvg(Sales salesArr[], int n);
void displayOverAvg(Sales salesArr[], int n, double avg);
void writeReport(Sales salesArr[], int n, string fileName);
void showReport(string fileName);

int main()
{
    Sales salesArr[MAX_SIZE];
    int size = 0; 
    string fileName;
    cout << "Please enter the input file's name: ";
    getline(cin, fileName);
    readData(fileName, salesArr, size);
    
    double avg = calcSalesAvg(salesArr, size);
    displayOverAvg(salesArr, size, avg);
    writeReport(salesArr, size, fileName);
    
    string option;
    cout << "Show report?" << endl;
    getline(cin, option);
    if (option == "Y" || option == "y") 
       showReport(fileName);

    return 0;
}

void readData(string fileName, Sales salesArr[], int n) {
   ifstream inFile;
   inFile.open(fileName);
   if (!inFile) {
      cout << "Input file: " << fileName << " not found!" << endl;
      exit (101);
   }
   
   string line;
   n = 0;

   if (inFile.is_open()) {
      while (getline(inFile, line)) {
      stringstream ss(line);
      string id;
      ss >> id;
      int year;
      ss >> year;
      string name;
      getline(ss, name, ';');

      int amountSold;      
      ss >> amountSold;
      salesArr[n].setId(id);
      salesArr[n].setYear(year);
      salesArr[n].setName(name);
      salesArr[n].setAmount(amountSold);
      n++;
      }
   }
   
   inFile.close();

}

double calcSalesAvg(Sales salesArr[], int n) {
   double sum = 0;
   for (int i = 0; i < n; i++) {
      sum += salesArr[i].getAmount();
   }
      return (sum / n);

}

void displayOverAvg(Sales salesArr[], int n, double avg) {
   cout << "Average Sales: " << fixed << setprecision(2) << avg << endl;
   cout << "Salespeople with above average sales:" << endl;
   int count = 0;
   for (int i = 0; i < n; i++) {
      if (salesArr[i].getAmount() > avg) {
         cout << salesArr[i].getName() << "($" << salesArr[i].getAmount() << ")" << endl;
         count++;
      }
   }
   if (count == 0)
      cout << "N/A" << endl;
}

void writeReport(Sales salesArr[], int n, string fileName) {
  string outfileName;
  outfileName.insert(fileName.find("."), "Report");
  ofstream out(outfileName);
  out << "Sales Report\n"
       << setw(20) << left << "==================== =============\n"
       << setw(20) << left << "Name" << " " << setw(9) << right << "Amount Earned\n"
       << setw(20) << left << "==================== =============\n";
  out << fixed << setprecision(2);
  for (int i = 0; i < n; i++) {
      out << setw(20) << left << salesArr[i].getName() << " ";
      out << setw(9) << right << salesArr[i].getAmount() << endl;
  }
   out << setw(20) << left << "==================== =============\n"
       << "Number of salespeople: " << n << endl; 
    cout << "Report saved in: " << outfileName << endl;
 }

void showReport(string fileName){
   fileName.insert(fileName.find("."), "Report");
   ifstream in(fileName);
   if (in.fail()){
        cout << "Input file: " << fileName << " not found!" << endl;
        exit(EXIT_FAILURE);
   }
   string line;
   while (getline(in, line)){
      cout << line << endl;
   }
   in.close();
}