Module 1: Implement the buttons’ function to call each method according to its name. Module 2: Implement the Login Function Module 3: Implement fast food GUI and its functions Module 4: Receipt Panel Module 5: Required Modifier Module 6: Non-required Modifier Module 7: Back Office Module 8: Other Button - Split, Discount Module 9: Credit Card Button Module 11: Gift Card Button &  Cash Button .

1. Module 1: Implement the buttons’ function to call each method
according to its name.
Module 2: Implement the Login Function
Module 3: Implement fast food GUI and its functions
Module 4: Receipt Panel
Module 5: Required Modifier
Module 6: Non-required Modifier
Module 7: Back Office
Module 8: Other Button - Split, Discount
Module 9: Credit Card Button
Module 11: Gift Card Button &
Cash Button