Script started on Tue Nov 22 12:37:23 2011
PT[101]% gcc -Wall bonus.c primes.c

PT[102]% ./a.out <Auto_Sales.txtx
Name	Units	Sales	Rating	Bonus
John	200	4171221	4	4583
Mary	314	5231321	4	4673
Robert	129	3293142	1	4523
Gary	22	357082	1	2551
Diane	95	1645495	2	3251
PT[103]% 

PT[103]% ./a.out < Auto_Sales.txt >Bonus.txt

PT[104]% cat Bonus.txt
Name	Units	Sales	Rating	Bonus
John	200	4171221	4	4583
Mary	314	5231321	4	4673
Robert	129	3293142	1	4523
Gary	22	357082	1	2551
Diane	95	1645495	2	3251
PT[105]%