[Valmont]

Do it with tabs then:

 #include <iostream>
#include <string>
#include <climits>
#include <iomanip>

using std::cin;
using std::cout;
using std::endl;
using std::numeric_limits;
using std::streamsize;
using std::string;
using std::ios;

//Optional function: depends on IDE. Remove if not needed. void wait_for_enter();

//Additional helper. Remove if not needed. void reset_istream();

//-- const double FEDERAL_TAX_RATE = .33;
const double STATE_TAX_RATE = 0.06;
const double MAX_HOURS = 1.5;
const double OVERTIME = 40.0;

int main(int argc, char *argv[])
{
  char employeeNumber[64];
  char employeeName[64];
  double federalTax;
  double grossPay;
  double hoursWorked;
  double regularPay;
  double premiumPay;
  double netPay;
  double payRate;  //stores employee's pay rate as a real number double stateTax;

  //input data
  cout << "Enter employee number:";
  cin.getline( employeeNumber, sizeof( employeeNumber ));
  cout << "Enter employee name:";
  cin.getline( employeeName, sizeof( employeeName ));
  cout << "Enter pay rate:";
  cin >> payRate;
  cout << "Enter hours worked:";
  cin >> hoursWorked;

  //calculations
  grossPay = hoursWorked * payRate;
  federalTax = grossPay * FEDERAL_TAX_RATE;
  stateTax = grossPay * STATE_TAX_RATE;
  netPay = grossPay - federalTax + stateTax;

  // CalcPay computes wages from the employee's pay rate // and the hours worked, taking overtime into account if ( hoursWorked > MAX_HOURS )
  {
    grossPay = (MAX_HOURS * payRate) + (hoursWorked - MAX_HOURS) * payRate * OVERTIME;
  }
  else
  {
    grossPay = hoursWorked * payRate;
  }

  //output results
  cout.setf(ios::fixed, ios::floatfield);
  cout.precision( 2 ); //output 2 decimal places

  cout << "================================================================================" << endl;
  cout << "Employee\tHours\tPay\tRegular\tPremium\tGross\tNet\tFederal\tState"<<endl;
  cout << "number\tname\tworked\tRate\tpay\tpay\tpay\tpay\ttax\ttax"<<endl;
  
  cout << employeeNumber;
  cout << '\t' << employeeName;
  cout << '\t' << hoursWorked;
  cout << '\t' << payRate;
  cout << '\t' << regularPay;
  cout << '\t' << premiumPay;
  cout << '\t' << grossPay;
  cout << '\t' << netPay;
  cout << '\t' << federalTax;
  cout << '\t' << stateTax;
  
  cout << endl;
  cout << "================================================================================" << endl;
  
  reset_istream();
  wait_for_enter();
  return 0;
}


//--------------------------------------------------- void reset_istream()
{
   if(cin.eof())
   {
      cin.clear();
   }
   else
   {
      cin.clear();
      cin.ignore(numeric_limits<streamsize>::max(), '\n');
   }
}

//--------------------------------------------------- void wait_for_enter()
{
  cout << "press <enter> to continue...";
  // Reset failstate, just in case.
  cin.clear();
  string line;
  getline( cin, line);
}