You are required to design an application for Super Mart Karachi to record sales in a text file. Follow the same design. Super Mart Karachi Selected Products Prod Rate P1 100 2. P7 150 3. P6 P1 P2 P3 S.NO 1. WN - 300 P4 P5 P6 P7 P8 P9 Remove Item Bill Tota Sales Rs. 550 When a salesperson hit any product button it will add into LIST> and display inside the console display box or etc Including the fixed rates fetched from Class Library viz products price. The total sales should be displayed in the bottom of the display console. The salesperson can remove the item from the LIST-> when you press the REMOVE ITEM button and the warning message will be displayed with OK and Cancel Buttons including the warning icon. If the BILL button will be pressed then all the LIST items can be stored into a TEXT file using StreamWriter. Complete and Upload complete project including screen shorts latest by 1st Nov 2021 before 12 pm sharp