Scenario 3.1 Situation - Customer can not find a particular item in the store. THe system will then show a total. Scenario 3.2 Situation - Shopper wants to know the price of an item. If customer chooses 1 - system will add another item to total and change the total accordingly. If customer chooses 2 -system will delete item and adjust the total and item number.
System displays total screen with updated item numbers and total.
Scenario 3.4 Situation - Customer wants to know the specials of the day. After the user enters a category, the system gives a listing of that category's specials.