"Imagine you are going to build e-commerce software for an online store. The software will need authentication and there are two kinds of users, the customer, and the administrator. The customer can register, log in, update the profile and search the products. The administrator can add new products and update and delete the existing products. The customer can place an order and the order may compose of shipping information and order detail. The order detail part will fetch information from the product details. When the customer places an order, the order is held in the active session by the shopping cart. At the time of checkout, the payment would be made using credit card transaction." Draw a class diagram for the given scenario. The diagram should be complete in all aspects including associations, generalizations, multiplicity and description of attributes, operations.