A$.$ Manager

B$.$ Customer

C$.$ Exit

Enter your choice: A

Please enter your credentials to login as a manager.

username: sam $2023$

password: $$123$

$****$

A$.$ Display All Menu

B$.$ Maintenance Mode

C$.$ Add Menu Item

D$.$ Go Back $($Main Menu$)$

Enter your choice:

Customer Mode:

a$.$ If in Maintenance Mode, display an error message:

"The kiosk is currently undergoing repairs. We are unable to take any orders at$.$

this time. We apologize for the inconvenience."

b$.$ If not in a maintenance mode, provide options to:

A$.$ Display all Menu: Show the menu from "menu.txt$".$

B$.$ Place Order: Select dishes and show the final bill with taxes.

Add another item: Allows to add item to the cart

Cancel: Cancel the order and go back to "Home Menu"

Done: Show the final total price.

The total price should include a tax of $7\%.$

Show the following message after user finalizes the order, and

return "Home Menu".

"Your order has been taken. Please proceed to the register to pay $$x$ and

collect your food. Thank you, and please visit again." $[$$x is the total

order price$]$

C$.$ Go Back: Return to the "Home" menu.