Question: please create a UML diagram and a Design Class Diagram by the information below Use Case Diagram: Sales - Ordering System Actor: Customer Use Cases:

please create a UML diagram and a Design Class Diagram by the information below

Use Case Diagram:

Sales - Ordering System

Actor: Customer

Use Cases:

Browse products

Add to cart

Checkout

View order history

Cancel order

Inventory Management System

Actor: Manager

Use Cases:

View inventory levels

Reorder products

Adjust inventory levels

Generate reports

Financial Reporting System

Actor: Manager

Use Cases:

View sales report

View expenses report

Generate financial statement

Online Chat System

Actor: Customer

Use Cases:

Send message

Receive message

View chat history

Close chat

Domain Class Diagram:

Sales - Ordering SystemClasses:

Product

Order

Cart

Payment

Customer

Inventory Management SystemClasses:

Product

Inventory

Reorder

Report

Financial Reporting SystemClasses:

Sales

Expenses

Financial statement

Online Chat SystemClasses:

Message

Chat

Customer

Design Class Diagram:

Sales - Ordering SystemClasses:

Product

Order

Cart

Payment

Customer

OrderDAO

PaymentDAO

ProductDAO

Inventory Management SystemClasses:

Product

Inventory

Reorder

Report

ProductDAO

InventoryDAO

ReorderDAO

Financial Reporting SystemClasses:

Sales

Expenses

Financial statement

SalesDAO

ExpensesDAO

Online Chat SystemClasses:

Message

Chat

Customer

ChatDAO

MessageDAO

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