c++ tax simple prog(repost)(repost)

i have small modifications to be done to the program i am attaching... pls let me know if some one can do it modifications if program read employee details from user, before importing input text file, if we type export file at that time user entered information should write in input text file, if program read employee details from user, as well as import input text file, after that if we use export file, user entered employee details goes in to input file (updates input text file, keeping old data and adding new user in it). report has display user entered information, and input file information, after calculating all calculations, ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform windows, visual studio