. 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.