Add the preprocessors required to give the compiler the instruction to compile the program.

int main()

{

string filename = "prices.txt"; // put the filename up front

ofstream outFile;

outFile.open(filename.c_str());

if (outFile.fail())

{ cout << "The file was not successfully opened" << endl;

exit(1);

}

// set the output file stream formats

outFile << setiosflags(ios::fixed)

<< setiosflags(ios::showpoint)

<< setprecision(2);

// send data to the file

outFile << "Mats " << 39.95 << endl

<< "Bulbs " << 3.22 << endl

<< "Fuses " << 1.08 << endl;

outFile.close();

cout << "The file " << filename

<< " has been successfully written." << endl;

return 0;