Users can select one or more items to eat and one type of drink. Then, press the $$Order$$ button. Once the user presses the order button, the Bill text area will display the ordered items and the total cost. At this point, the user has the option to cancel the order or confirm the order. If the users press the cancel button, all the selections for food and drinks will be unselected, and the Bill text area will be cleared. If the user presses the confirm button, all the Eat and Drink selects will be cleared, and the final bill will be displayed with order items and the final total. Assume that the sales tax is $7\%$