A small GUI sale system

Write a Java program - A small GUI sale system as per attach file. 1. Provide a login screen and allow to add user by administrator and amend the password. 2. Display all product items on screen in a table form and allow to add and remove product item( alway on the screen ).. 3. Allow user to select different process on the main screen . a) When select sale button - Display a combo box with all product item and accept input the quantity, then calculate total amount of that order and update the quantity sold item on the main screen. b) When select Dialy button- same function as press sale button an check the quantity ordered meets the mininium order requirment and update Qty prepare and Qty sold. c) when select collect button - calculate total sales indicate the profit or loss d) when select exit button- close the system and save all file Please submit all program code with data file( txt file ), test plan, user guide ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform window xp or Me