the assignment is in the file

main.cpp
#include
#include
#include
using namespace std;
int main()
{
string filename;
cout << "Enter file name: ";
cin >> filename;
ifstream infile;
infile.open(filename);
float sales[12] = {23, 33.1, 21, 23.5, 54, 34.3, 35, 45, 56.3, 45.6, 34, 55};
float dept_sales[12];
bool sat[12];
float data;
int i = 0;
float total;
int above = 0;
cout << "Dept\tAverage\t\tAbove\tBelow\tPerformance" << endl;
cout <<...