Architectural Design in Software Engineering, Please!! EXERCISE CLO J Using the Online Order System, the Customer places their order. To place an order, the Customer adds items to and may remove items from the order. When they are finished, they submit the order and the order placement is complete. The Order Clerk at Groceries$-$R$-$us retrieves the order from the system and assigns it to the Delivery Person. The Delivery Person delivers the order to the Customer. While delivering groceries, the Delivery Person sometimes consults the Groceries$-$R$-$us satellite $($GPS$)$ Directions System for driving directions to the Customer's home. After the groceries have been delivered, the Customer signs the delivery slip for the Delivery Person to acknowledge receipt, who returns it to the Order Clerk. Upon receipt of the signed delivery slip, the Order Clerk issues an invoice to the Customer.