Assignment 3

Modify your Assignment 2 program to input from a data file and output a report
with headings to an output file.

The program should process until end-of-file is reached.  Make the
output readable and in report form.


Sample Run:

 Regular    Overtime       Pay      Regular    Overtime      Gross
  Hours       Hours       Rate        Pay         Pay         Pay
 
  40.00       10.00       10.00      400.00      150.00      550.00
  40.00        0.00       10.00      400.00        0.00      400.00
  30.00        0.00       10.00      300.00        0.00      300.00
...