. Logout: Upon logout, the system should display 3 Options (Figure 8.9) to the user. The

user may check out, save cart and logout or empty cart and logout. Upon checkout a similar

action should take place as earlier. Upon the other two options, appropriate action should

take place and a message should be displayed. If the cart was empty to begin with these 3

options should not be shown and the customer should be logged out.