Sales person

#include <iostream>
#include <string>
#include <iomanip>
#include <fstream>
int main() {
std::string fileName;
std::ifstream inputFile(fileName);
std::string name;
double salary;
double commission;
double sales;
double expenses;
double product;
double total;
inputFile.close();
//std::cin >> name;
getline(std::cin , name);
std::cout << "Payroll data for " << name << "\n";
std::cout << "\n";
std::cin >> salary >> commission >> sales >> expenses;
std::cout << "Base Salary: "<< std::fixed << std::setprecision(2) << salary << "\n";
product = (sales*commission)/100.00;
std::cout << "Commission: " << std::fixed << std::setprecision(2) << product << "\n";
std::cout << "Expenses: " << expenses << "\n";
std::cout << " ------" "\n";
total = salary + product + expenses;
std::cout << "Total: " << total << "\n";
}