Draw the class diagram the given below scenario (submit a PDF file): The Customer Order System allow customer to brows the catalogue where information about items will be shown such as name of the item, price, discount, model and type. Customer can add as many items as he want to the order. The system will record some information about the order such as: reference number, date, status(paid or on hold). It also calculate the tax on the order, the total amount of the order and total discount on the order. Customer can make more than one order, but each order has to be delivered to single customer only. Payment can be made by three different ways: cash, check, or card. In case of cash payment, we need to know the amount must be paid. In case of check payment, we need to store check number, name of the bank, name of the person and should be authorized as well from the customer. If payment made by card, we need to know the card detail such as card number, card type and expiry date. Also, card must be verified from the bank. Customer must Authorize the sale by inserting his cart into the machine, then entering his PIN number. Once the PIN number entered, Request will be sent to the bank for approval. The bank replies with approval or rejection. Once the approval is received customer will get a copy of the receipt. Maximum file size: 5GB, maximum number of files: Files