#include <iostream.h>
#include <iomanip.h>

const float LOWRATE = 0.02;     // lower tax rate
const float HIGHRATE = 0.025;   // higher tax rate
const float CUTOFF = 20000.0;   // cut off for low rate
const float FIXEDAMT = 400;    // fixed dollar amount for higher rate amounts

int main()
{
  float taxable, taxes;

  cout << "Please type in the taxable income: ";
  cin  >> taxable;

  if (taxable <= CUTOFF)
    taxes = LOWRATE * taxable;
  else
    taxes = HIGHRATE * (taxable - CUTOFF) + FIXEDAMT;

    // set output format
  cout << setiosflags(ios::fixed)
       << setiosflags(ios::showpoint)
       << setprecision(2);

  cout << "Taxes are $ " << taxes << endl;

 return 0;
}